Record history for AP-k with minimal end
k Primes Minimal end n's Digits When Discoverer
22 19261849254523 + 80910 • 19# • n 35742689530423 0..21 14 13 Apr 2023 Joris Perrenet (proved to be minimal)
22 11410337850553 + 475180 • 19# • n 108201410428753 0..21 15 17 Mar 1993 Paul Pritchard et al.
23 403185216600637 + 9523 • 23# • n 449924511422857 0..22 15 1 Apr 2006
2 Jun 2023
Markus Frind
 Joris Perrenet (proved to be minimal)
23 100308707032367 + 156722 • 23# • n 869507044019447 0..22 15 26 Feb 2006 Markus Frind
23 56211383760397 + 199678 • 23# • n 1036239621869317 0..22 16 24 Jul 2004 Markus Frind, Paul Jobling, Paul Underwood
24 515486946529943 + 136831 • 23# • n 1217585417914253 0..23 16 18 Apr 2008
16 Nov 2025
Raanan Chermoni & Jaroslaw Wroblewski
 Dmitry Petukhov (proved to be minimal)
24 468395662504823 + 205619 • 23# • n 1523454717745013 0..23 16 18 Jan 2007 Jaroslaw Wroblewski
25 563684643962159 + 972979 • 23# • n 5773236905395679 0..24 16 9 Feb 2026 Joris Perrenet (proved to be minimal)
25 6171054912832631 + 366384 • 23# • n 8132758706802551 0..24 16 17 May 2008 Raanan Chermoni & Jaroslaw Wroblewski
26 3486107472997423 + 1666981 • 23# • n 12783396861134173 0..25 17 26 Mar 2012
13 Feb 2026
James Fry
 Joris Perrenet (proved to be minimal)
26 43142746595714191 + 23681770 • 23# • n 175223597495211691 0..25 18 12 Apr 2010 Benoãt Perichon, PrimeGrid, AP26
27 224584605939537911 + 81292139 • 23# • n 696112717486210091 0..26 18 19 Sep 2019 Rob Gahan, PrimeGrid, AP26