Record history for AP-k with minimal end
k	Primes	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	Raanan Chermoni & Jaroslaw Wroblewski
24	468395662504823 + 205619 • 23# • n (1523454717745013)	0..23	16	18 Jan 2007	Jaroslaw Wroblewski
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	James Fry
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