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k | Primes | n's | Digits | Year | Discoverer |
---|---|---|---|---|---|
22 | 19261849254523 + 80910 • 19# • n (35742689530423) | 0..21 | 14 | 2023 | Joris Perrenet proved to be minimal |
22 | 11410337850553 + 475180 • 19# • n (108201410428753) | 0..21 | 15 | 1993 | Paul Pritchard et al. |
23 | 403185216600637 + 9523 • 23# • n (449924511422857) | 0..22 | 15 | 2006 2023 | Markus Frind Joris Perrenet proved to be minimal |
23 | 100308707032367 + 156722 • 23# • n (869507044019447) | 0..22 | 15 | 2006 | Markus Frind |
23 | 56211383760397 + 199678 • 23# • n (1036239621869317) | 0..22 | 16 | 2004 | Markus Frind, Paul Jobling, Paul Underwood |
24 | 515486946529943 + 136831 • 23# • n (1217585417914253) | 0..23 | 16 | 2008 | Raanan Chermoni & Jaroslaw Wroblewski |
24 | 468395662504823 + 205619 • 23# • n (1523454717745013) | 0..23 | 16 | 2007 | Jaroslaw Wroblewski |
25 | 6171054912832631 + 366384 • 23# • n (8132758706802551) | 0..24 | 16 | 2008 | Raanan Chermoni & Jaroslaw Wroblewski |
26 | 3486107472997423 + 1666981 • 23# • n (12783396861134173) | 0..25 | 17 | 2012 | James Fry |
26 | 43142746595714191 + 23681770 • 23# • n (175223597495211691) | 0..25 | 18 | 2010 | Benoãt Perichon, PrimeGrid, AP26 |
27 | 224584605939537911 + 81292139 • 23# • n (696112717486210091) | 0..26 | 18 | 2019 | Rob Gahan, PrimeGrid, AP26 |