Twin Primes

Last updated: 23 Nov 2021

2996863034895 * 21290000 ± 1 (388342 digits, Sep 2016, Tom Greer, TWINGEN, PRIMEGRID, LLR)

3756801695685 * 2666669 ± 1 (200700 digits, Dec 2011, Timothy Winslow, TWINGEN, PRIMEGRID, LLR)

65516468355 * 2333333 ± 1 (100355 digits, Aug 2009, Peter Kaiser, NEWGEN, PRIMEGRID, TPS, LLR)

160204065 * 2262148 ± 1 (78923 digits, Aug 2021, Erwin Doescher, LLR)

12770275971 * 2222225 ± 1 ( 66907 digits, Jul 2017, Bo Tornberg, TwinGen, LLR TWIN )

70965694293 * 2200006 ± 1 ( 60219 digits, Apr 2016, S. Urushihata )

66444866235 * 2200003 ± 1 ( 60218 digits, Apr 2016, S. Urushihata )

4884940623 * 2198800 ± 1 ( 59855 digits, Jul 2015, Kwok, PSIEVE, LLR )

2003663613 * 2195000 ± 1 (58711 digits, Jan 2007, Eric Vautier, Dmitri Gribenko, Patrick W. McKibbon, Michaek Kwok, Andrea Pacini, Rytis Slatkevicius)

17976255129 * 2183241 ± 1 (55172 digits, May 2021, Frank Doornink, TwinGen, OpenPFGW)

191547657 * 2173372 ± 1 (52199 digits, Nov 2020, Stephan Schöler Eric Vautier, MULTISIEVE, LLR)

38529154785 * 2173250 ± 1 (52165 digits, Jul 2014, Batalov, NEWPGEN, LLR)

194772106074315 * 2171960 ± 1 (51780 digits, June 2007, Antal Járai, Gabor Farkas, Timea Csajbok & János Kasza)

100314512544015 * 2171960 ± 1 (51780 digits, June 2006, Antal Járai, Gabor Farkas, Timea Csajbok & János Kasza)

16869987339975 * 2171960 ± 1 (51779 digits, Sep 2005, Antal Járai, Gabor Farkas, Timea Csajbok & János Kasza)

33218925 * 2169690 ± 1 (51090 digits, Sep 2002, Daniel Papp)

110427610 * 3100003 ± 1 (47722 digits, Feb 2021, Frank Doornink)

3706785456 * 1342069 ± 1 (46873 digits, Sep 2020, Robert Gelhar)

22835841624 * 754321 ± 1 (45917 digits, Nov 2010, Peter Kaiser)

1679081223 * 2151618 ± 1 (45651 digits, Feb 2012, Bo Tornberg, TWINGEN, LLR)

84966861 * 2140219 ± 1 (42219 digits, Jun 2012, Michael Kwok, NEWPGEN, TPS, LLR)

307259241 * 2115599 ± 1 (34808 digits, Jan 2009, Tornberg, PRP & PROTH)

108615 * 2110342 ± 1 (33222 digits, Jun 2008, Chris Chatfield)

1046619117 * 2100000 ± 1 (30113 digits, Oct 2007, Gary Barnes)

1807318575 * 298305 ± 1 (29603 digits, 2001, David Underbakke & Phil Carmody)

665551035 * 280025 ± 1 (24099 digits, 2000, David Underbakke & Phil Carmody)

2230907354445 * 248000 ± 1 (14462 digits, Dec 1999, Indlekofer, Jarai, Wassing)

361700055 * 239020 ± 1 (11755 digits, 1999, Henri Lifchitz)

835335 * 239014 ± 1 (11751 digits, September 1998, Ray Ballinger & Yves Gallot)

242206083 * 238880 ± 1 (11713, Nov 1995, H. K. Indlekofer & A. Járai )

109999 + 2421018652 ± 1 (10000 digits, Jun 2021, Norman Luhn)

40883037 * 223456 ± 1 (7069 digits, Aug 1998, Henri Lifchitz)

843753 * 222222 ± 1 (6696 digits, 1997, Carlos Bernardo Rivera Fernández)

8182815 * 217838 ± 1 (5377 digits, 1998, Smith and Gallot)

570918348 * 105120 ± 1 (5129 digits, Oct 1995, Harvey Dubner)

697053813 * 216352 ± 1 (4932, 1994, H. K. Indlekofer & A. Járai)

6797727 * 215328 ± 1 (4622 digits, Oct 1995, Tony Forbes)

1692923232 * 104020 ± 1 (4030 digits, 1993, Harvey Dubner)

4655478828 * 103429 ± 1 (3439 digits, Dec 1989, Harvey Dubner)

1706595 * 211235 ± 1 (3389 digits, 7 Jun 1989, Brown, Noll, Parady, Smith_Gene, Smith_Joel, Zarantonello)

594501 * 29999 ± 1 (3016 digits, 1997, Carlos Bernardo Rivera Fernández)

459 * 28529 ± 1 (2571 digits, 1993, Harvey Dubner)

1171452282 * 102490 ± 1 (2500 digits, 1991, Harvey Dubner)

571305 * 27701 ± 1 (2324 digits, 30 May 1989, Brown, Noll, Parady, Smith_Gene, Smith_Joel, Zarantonello)

75188117004 * 102298 ± 1 (2309 digits, Dec 1989, Harvey Dubner)

663777 * 27650 ± 1 (2309 digits, 30 May 1989, Brown, Noll, Parady, Smith_Gene, Smith_Joel, Zarantonello)

107570463 * 102250 ± 1 (2259 digits, Dec 1985, Harvey Dubner)

43690485351513 * 101995 ± 1 (2009 digits, Dec 1985, Harvey Dubner)

260497545 * 26625 ± 1 (2003 digits, Dec 1984, A. Oliver L. Atkin)

101430 + 41038683014 * 10710 ± 1 (1431 digits, Dec 1990, Harvey Dubner)

519912 * 101420 ± 1 (1426 digits, Dec 1984,Harvey Dubner)

217695 * 101404 ± 1 (1410 digits, Dec 1984, Harvey Dubner)

1639494 * (24423 - 1) ± 1 (1338 digits, Dec 1983, Wilfrid Keller)

2445810 * (24253 - 1) ± 1 (1287 digits, Dec 1983, Wilfrid Keller)

256200945 * 23426 ± 1 (1040 digits, 1980, Oliver Atkin & N. W. Rickert)

10999 + 1975082 ± 1 (1000 digits, Oct 1999, Daniel Heuer, Primo)