History Of Additions

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2021 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004

2021
November 21: 1114-digit sextuplet by Vidar Nakling
October 15:
New record: 20013-digit CC-3 1st kind by Dr. Michael Paridon
New record: 2034-digit 5-tuplet by Serge Batalov
New record: 1002-digit 7-tuplet by Peter Kaiser
New record: 302-digit 9-tuplet by Riecoin #1567399
New record: 282-digit 10-tuplet by Riecoin #1579367
New record: 33-digit 17-tuplet by Roger Thompson
New record: 31-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski

2019
October 28. A twenty-third 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
October 17. A twenty-second 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
September 25. A twenty-first 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
August 19. A twentieth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
July 17. A nineteenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
June 17. New record: 527-digit 7-tuplet by Vidar Nakling, rieMiner.
April 23. New record: 20008-digit triplet by Peter Kaiser, PolySieve, LLR, Primo.
February 25. New record: 10132-digit quadruplet by Peter Kaiser, PolySieve, LLR, Primo.
February 17. An eighteenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.

2018
December 27. A third 30-digit 21-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 19-tuplet.
December 23. A seventeenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
December 7. New record for largest known prime: 24862048-digit Mersenne prime by Patrick Laroche, GIMPS.
August 30. A sixteenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
May 23. A fifteenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
March 15. A fourteenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 28. A thirteenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 17. New record: 515-digit 7-tuplet by Norman Luhn, Primo.

2017
December 26. New record for largest known prime: 23249425-digit Mersenne prime by Jonathan Pace, GIMPS.
December 7. A twelfth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
May 24. New record: An eleventh 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.

2016
December 7. New record: A tenth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
November 18. New record: 35-digit 16-tuplet by Roger Thompson.
November 8. New record: 2018-digit CC-5 2nd kind by Andrey Balyakin.
November 3. New record: 1766-digit CC-5 1st kind by Andrey Balyakin.
November 3. New record: 151-digit CC-11 2nd kind by Andrey Balyakin.
October 15. New record: 1680-digit CC-5 1st kind by Michael Angel, Dirk Augustin, NewPGen, PrimeForm.
September 29. New record: 1631-digit CC-5 2nd kind by Michael Angel, Dirk Augustin, NewPGen, PrimeForm.
September 14. New record: 388342-digit twin prime by Tom Greer, PrimeGrid, TwinGen, LLR.
August 1. New record: A second 30-digit 21-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 20-tuplet and 19-tuplet.
May 31. New record: An eighth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
March 16. New record: A seventh 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
March 14. New record: 1037-digit sextuplet by Norman Luhn, Primo.
March 10. New record: 152-digit CC-10 1st kind by Andrey Balyakin.
March 10. New record: 261-digit CC-9 1st kind by Andrey Balyakin.
March 10. New record: 338-digit CC-8 2nd kind by Andrey Balyakin.
March 10. New record: 1535-digit CC-5 2nd kind by Andrey Balyakin.
March 8. New record: 5003-digit quadruplet by Peter Kaiser, NewPGen, PolySieve, LLR, Primo.
March 2. New record: 1493-digit CC-5 1st kind by Oscar Östlin, NewPGen, PrimeForm.
February 29. New record: 388342-digit Sophie Germain prime by Scott Brown, PrimeGrid, TwinGen, LLR.
January 7. New record for largest known prime: 22338618-digit Mersenne prime by Curtis Cooper, GIMPS.
January 3. New record: A sixth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.

2015
December 31. New record: 509-digit CC7 1st kind by Andrey Balyakin.
December 31. New record: 151-digit CC10 1st kind by Andrey Balyakin.
December 31. New record: 47-digit CC15 1st kind by Andrey Balyakin.
December 17. New record: 454-digit CC7 2nd kind by Andrey Balyakin.
December 17. New record: 266-digit CC8 1st kind by Andrey Balyakin.
December 17. New record: 191-digit CC9 1st kind by Andrey Balyakin.
December 17. New record: 44-digit CC15 1st kind by Andrey Balyakin.
December 16. New record: A fifth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
November 20. New record: 239-digit CC-8 1st kind by Oscar Östlin, NewPGen, PrimeForm.
October 8. New record: A fourth 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
October 8. New record: 30-digit 21-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 19-tuplet.
September 13. New record: 3598-digit quadruplet by Serge Batalov, NewPGen, PrimeForm, Primo.
September 9. New record: A third 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
September 3. New record: A second 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
August 12. New record: 30-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
July 11. New record: A sixth 29-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
May 15. New record: 382-digit CC7 1st kind by Andrey Balyakin.
May 15. New record: 189-digit CC9 2nd kind by Andrey Balyakin.
May 15. New record: 147-digit CC11 2nd kind by Andrey Balyakin.
May 15. New record: 123-digit CC12 2nd kind by Andrey Balyakin.
April 22. New record: A fifth 29-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
April 6. New record: 150-digit BiTwin with 4 links (10 primes) by Andrey Balyakin.
March 31. New record: 1016-digit CC6 1st kind by Serge Batalov, NewPGen, PrimeForm.
February 6. New record: A fourth 29-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 23. New record: 700-digit 6-tuplet by Vidar Nakling, Primo.
January 8. New record: 29-digit 21-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 20-tuplet.

2014
December 11. New record: A second 29-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
November 24. New record: 654-digit 6-tuplet by Riecoin, Primo.
October 6. New record: 29-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
July 24. New record: 368-digit CC7 1st kind by Serge Batalov, NewPGen, PrimeForm.
June 24. New record: 28-digit 20-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
June 22. New record: 236-digit 8-tuplet by Norman Luhn.
June 11. This page is moved to http://primerecords.dk/simultprime.htm.
May 16. New record: 102-digit CC14 2nd kind by Primecoin.
April 25. New record: 43-digit CC-15 1st kind by Jaroslaw Wroblewski.
April 6. New record: A second 23-digit AP20 by Jaroslaw Wroblewski.
April 6. New record: 118-digit BiTwin with 5 links (12 primes) by Primecoin.
April 3. New record: A third 30-digit CC-17 2nd kind by Raanan Chermoni & Jaroslaw Wroblewski.
April 2. New record: 22-digit AP21 by Jaroslaw Wroblewski.
April 2. New record: 23-digit AP20 by Jaroslaw Wroblewski.
March 29. New record: A second 21-digit AP20 by Jaroslaw Wroblewski.
March 23. New record: A second 29-digit CC-19 2nd kind by Raanan Chermoni & Jaroslaw Wroblewski.
March 21. New record: 21-digit AP20 by Jaroslaw Wroblewski.
March 20. New record: A sixth 20-digit AP20 by Jaroslaw Wroblewski.
March 19. New record: A fifth 20-digit AP20 by Jaroslaw Wroblewski.
March 15. New record: 29-digit CC-19 2nd kind by Raanan Chermoni & Jaroslaw Wroblewski.
March 10. New record: 651-digit CC-6 2nd kind by Oscar Östlin, NewPGen, PrimeForm.
March 9. New record: 30-digit CC-18 2nd kind by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record CC17.
March 8. New record: 29-digit CC-18 2nd kind by Raanan Chermoni & Jaroslaw Wroblewski.
March 8. New record: 30-digit CC-17 2nd kind by Raanan Chermoni & Jaroslaw Wroblewski.
March 1. New record: A tenth 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 11. New record: 112-digit CC12 1st kind by Primecoin.
January 20. New record: 108-digit CC13 1st kind by Primecoin.
January 3. New record: A ninth 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 1. New record: 1443-digit quintuplet by Serge Batalov, NewPGen, PrimeForm, Primo.

2013
December 21. New record: 3503-digit quadruplet by Serge Batalov, NewPGen, PrimeForm, Primo.
November 28. New record: 1293-digit 5-tuplet by Reto Keiser, PrimeForm, Primo.
November 1. New record: 1209-digit CPAP-5 by David Broadhurst, PrimeForm, Primo.
September 29. New record: 3443-digit quadruplet by Serge Batalov, NewPGen, PrimeForm, Primo.
September 27. New record: 148-digit CC10 1st kind by Primecoin.
September 10. New record: 96-digit CC13 2nd kind by Primecoin.
August 25. New record: 101-digit BiTwin with 5 links (12 primes) by Primecoin.
August 3. New record: 141-digit CC11 1st kind  by Primecoin. Also contains record CC10.
July 29. New record: An eighth 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
July 29. New record: 99-digit CC12 2nd kind  by Primecoin.
July 29. New record: 117-digit CC11 1st kind  by Primecoin.
July 29. New record: 139-digit BiTwin with 4 links (10 primes) by Primecoin.
April 30. New record: 16737-digit triplet by Peter Kaiser, NewPGen, Srsieve, PrimeForm, LLR, Primo.
April 14. New record: 3360-digit quadruplet by Reto Keiser, NewPGen, PrimeForm, LLR, Primo.
February 25. New record: A seventh 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 17. New record: 30-digit 17-tuplet by Roger Thompson.
February 4. New record: 50-digit 14-tuplet by Roger Thompson. Also contains record 13-tuplet.
January 25. New record for largest known prime: 17425170-digit Mersenne prime by Curtis Cooper, GIMPS.

2012
December 31. New record: A second 28-digit 19-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 18-tuplet.
December 15. New record: 28-digit 19-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 18-tuplet.
December 2. New record: A fourth 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
September 2. New record: 35-digit 15-tuplet by Roger Thompson.
August 9. New record: 31-digit 16-tuplet by Roger Thompson.
April 9. New record: 200701-digit Sophie Germain prime by Philipp Bliedung, PrimeGrid, TwinGen, LLR.
March 26. New record: 3024-digit quadruplet by Peter Kaiser, NewPGen, PrimeForm, Primo.
March 20. New record: A third 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
March 4. New record: 1184-digit CC5 1st kind by Dirk Augustin, NewPGen, PrimeForm.
January 24. New record: A second 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.

2011
December 31. New record: 29-digit 17-tuplet by Roger Thompson.
December 25. New record: 200700-digit twin prime by Timothy D. Winslow, PrimeGrid, TwinGen, LLR.
December 4. New record: A second 28-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
December 4. New record: 28-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
August 25. New record: A second 28-digit 17-tuplet by Roger Thompson.
August 21. New record: 28-digit 17-tuplet by Roger Thompson.
August 9. New record: 28-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
June 20. New record: A seventeenth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
May 28. New record: A third 27-digit 19-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 18-tuplet and 17-tuplet.
May 13. New record: A fifteenth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
April 18. New record: A fourteenth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
April 4. New record: A thirteenth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
March 15. New record: 27-digit 17-tuplet by Roger Thompson.
March 14. New record: A twelfth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 28. New record: An eleventh 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 19. New record: A tenth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 19. New record: A second 27-digit 19-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 18-tuplet.
February 13. New record: 2835-digit CC4 1st kind by Michael Angel, NewPGen, PrimeForm.
February 11. New record: A ninth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 9. New record: 27-digit 19-tuplet by Raanan Chermoni & Jaroslaw Wroblewski. Also contains record 18-tuplet.
February 4. New record: An eighth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
February 4. New record: 27-digit 18-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 31. New record: A seventh 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 21. New record: A sixth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 13. New record: A fifth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
January 6. New record: 1141-digit CC5 2nd kind by Michael Angel, NewPGen, PrimeForm.
January 2. New record: A fourth 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.

2010
December 13. New record: A third 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
November 17. New record: A second 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
November 1. New record: 27-digit 17-tuplet by Raanan Chermoni & Jaroslaw Wroblewski.
August 10. New record: 225-digit CC8 2nd kind by Dirk Augustin, NewPGen, PrimeForm.
July 28. New record: 1116-digit CC5 2nd kind by David Broadhurst, NewPGen, PrimeForm.
July 17. New record: 357-digit CC7 1st kind by Dirk Augustin, NewPGen, PrimeForm.
April 26. New record: A second 27-digit 18-tuplet by Jaroslaw Wroblewski.
March 2. New record: 634-digit CC6 1st kind by Dirk Augustin, NewPGen, PrimeForm.
January 15. New record: 27-digit 18-tuplet by Jaroslaw Wroblewski.
January 9. New record: 10477-digit CC3 1st kind by Tom Wu, LLR.

2009
August 13. New record: 100355-digit twin prime by (SG Grid), Peter Kaiser, Keith Klahn, Twin Prime Search, PrimeGrid, NewPGen, tpsieve, LLR.
August 7. New record: 48-digit 13-tuplet by Jens K. Andersen.
July 12. New record: 110-digit CC10 2nd kind by Dirk Augustin, NewPGen, PrimeForm.
June 22. New record: 301-digit 7-tuplet by Jens K. Andersen.
May 1. New record: 559-digit 6-tuplet by Norman Luhn.
March 24. New record: 1107-digit 5-tuplet by Norman Luhn.
March 11. New record: A fifth 26-digit 18-tuplet by Jaroslaw Wroblewski.
February 20. New record: A fourth 26-digit 18-tuplet by Jaroslaw Wroblewski.
January 26. New record: A third 26-digit 18-tuplet by Jaroslaw Wroblewski.
January 23. This page is moved to http://users.cybercity.dk/~dsl522332/math/simultprime.htm (moved again in 2014).
January 16. New record: A second 26-digit 18-tuplet by Jaroslaw Wroblewski.

2008
December 30. New record: 64-digit CC12 2nd kind by Dirk Augustin, NewPGen, PrimeForm.
December 18. New record: 26-digit 18-tuplet by Jaroslaw Wroblewski.
December 14. New record: 25-digit 18-tuplet by Jaroslaw Wroblewski.
December 3. New record: 20-digit AP21 (first entry for 21) by Jaroslaw Wroblewski.
November 17. New record: 10047-digit triplet by Norman Luhn, François Morain, NewPGen, LLR, Primo, FastECPP.
October 13. Possible future record: A 10047-digit triplet by Norman Luhn. It contains an unproven probable prime (proof was announced November 17).
September 16. New record for largest known prime: 12978189-digit Mersenne prime by Edson Smith, GIMPS.
July 18. New record: A fourth 20-digit AP20 by Jaroslaw Wroblewski. Also contains record AP19.
July 17. New record: A third 20-digit AP20 by Jaroslaw Wroblewski. Also contains record AP19.
July 3. New record: A seventh 20-digit AP19 by Jaroslaw Wroblewski.
July 1. New record: 292-digit CC7 1st kind kind by Dirk Augustin, NewPGen, PrimeForm.
June 30. New record: A second 20-digit AP20 by Jaroslaw Wroblewski. Also contains record AP19.
June 30. New record: A fifth 20-digit AP19 by Jaroslaw Wroblewski.
June 29. New record: A fourth 20-digit AP19 by Jaroslaw Wroblewski.
June 29. New record: A third 20-digit AP19 by Jaroslaw Wroblewski.
June 29. New record: A second 20-digit AP19 by Jaroslaw Wroblewski.
June 28. New record: 20-digit AP20 by Jaroslaw Wroblewski. Also contains record AP19.
June 28. New record: A fourth 19-digit AP19 by Jaroslaw Wroblewski.
June 27. New record: A third 19-digit AP19 by Jaroslaw Wroblewski.
June 27. New record: 19-digit AP20 by Jaroslaw Wroblewski. Also contains record AP19.
June 26. New record: 30-digit CC16 2nd kind by Jaroslaw Wroblewski.
June 17. New record: 34-digit CC15 2nd kind by Jaroslaw Wroblewski.
June 12. New record: 28-digit CC16 2nd kind by Jaroslaw Wroblewski.
June 10. New records: 27-digit CC17 2nd kind by Jaroslaw Wroblewski. Also contains record CC16.
June 8. New record: A second 26-digit CC16 2nd kind by Jaroslaw Wroblewski.
June 5. New records: A second 26-digit CC17 2nd kind by Jaroslaw Wroblewski. Also contains record CC16.
June 5. New record: 26-digit CC17 2nd kind by Jaroslaw Wroblewski.
May 29. New record: 26-digit CC16 1st kind by Jaroslaw Wroblewski.
April 14. New record: 33-digit 15-tuplet by Jens K. Andersen.
February 29. New record: 218-digit 8-tuplet by Jens K. Andersen.

2007
December 28. New records: 46-digit 14-tuplet by Norman Luhn. Also contains record 13-tuplet.
March 1. New record: 18-digit AP20 by Jaroslaw Wroblewski.
February 27. New record: 19-digit AP19 by Jaroslaw Wroblewski.
January 15. New record: 58711-digit twin prime by Eric Vautier, Dmitri Gribenko, Patrick W. McKibbon, Twin Prime Search, PrimeGrid, NewPGen, LLR.

2006
December 30. New record: 17-digit AP20 (first entry for 20) by Jaroslaw Wroblewski.
December 30. New record: 17-digit AP19 by Jaroslaw Wroblewski.
December 30. New record: 15-digit AP19 (first entry for 19) by Jaroslaw Wroblewski.
September 11. New record for largest known prime: 9808358-digit Mersenne prime by Curtis Cooper, Steven Boone, GIMPS.
August 7. New record: 7937-digit CC3 1st kind by Michael Paridon, NewPGen, PrimeForm.
June 30. New record: 475-digit CC6 2nd kind by Dirk Augustin, NewPGen, PrimeForm.
May 3. New record: 51780-digit Sophie Germain prime by Zoltán Járai, Gabor Farkas, Timea Csajbok, Janos Kasza, Antal Járai.
April 7. New record: 1069-digit 5-tuplet by Norman Luhn.
February 8. New record: 58-digit CC12 2nd kind by Jens K. Andersen.
January 17. New record: 427-digit 6-tuplet by Norman Luhn.
January 4. New record: 282-digit 7-tuplet by Norman Luhn.

2005
December 25. New record for largest known prime: 9152052-digit Mersenne prime by Curtis Cooper, Steven Boone, GIMPS.
December 7. New record: 41-digit CC13 1st kind by Dirk Augustin, NewPGen, PrimeForm.
September 8. New record: 51779-digit twin prime by Zoltán Járai, Gabor Farkas, Timea Csajbok, Janos Kasza, Antal Járai.
August 7. New record: 187-digit CC9 1st kind by Dirk Augustin, NewPGen, PrimeForm.
August 6. New record: 206-digit 8-tuplet by Norman Luhn.
June 10. New record: 2354-digit CC4 1st kind by Jiong Sun, NewPGen, PrimeForm.
April 29. New record: 2058-digit quadruplet (4-tuplet) by Norman Luhn, Primo.
April 18. New record: 6038-digit CC3 1st kind by Jiong Sun, NewPGen, PrimeForm.
March 19. New record: 1770-digit CC4 2nd kind by Jiong Sun, NewPGen, PrimeForm.
February 27. New record for largest known prime: 7816230-digit Mersenne prime by Martin Nowak & GIMPS.
February 7. New record: 33-digit 14-tuplet by Christ van Willegen & Jens K. Andersen.
February 6. New record: 135-digit 9-tuplet by Norman Luhn.
January 19. New record: 180-digit 8-tuplet by Torbjörn Alm & Jens K. Andersen.

2004
December 1. New record: 32-digit 14- and 15-tuplet by Joerg Waldvogel & Peter Leikauf.
November 24. New record: 174-digit 8-tuplet by Norman Luhn.
November 7. New record: 418-digit CC6 1st kind by Dirk Augustin, NewPGen, PrimeForm.
October 24. New record: 5190-digit CC3 2nd kind by Jiong Sun, NewPGen, PrimeForm.
October 19. New record: 26-digit 16-tuplet by Jens K. Andersen.
October 16. This page is published at http://hjem.get2net.dk/jka/math/simultprime.htm.

Created and maintained by Jens Kruse Andersen, updated by Norman Luhn