History for AP21
Primes	n's	Digits	When	Discoverer
(65374983581321010 + n) • 19# + 7456123	0..20	24	16 Mar 2026	Joris Perrenet
(38577912963884657 + n) • 19# + 9333691	0..20	24	16 Mar 2026	Joris Perrenet
(22407323819 + 1099070919 • n) • 31# + 1	0..20	22	6 Dec 2025	Norman Luhn
5547796991585989797641 + 29# • n	0..20	22	2 Apr 2014	Jaroslaw Wroblewski
24657656407921828441 + 47# • n	0..20	20	14 Mar 2014	Jaroslaw Wroblewski
23260414913723182141 + 47# • n	0..20	20	12 Mar 2014	Jaroslaw Wroblewski
28112131522731197609 + 19# • n	0..20	20	3 Dec 2008	Jaroslaw Wroblewski
1925228725347080393 + 47# • n	0..20	20	8 Feb 2007	Jaroslaw Wroblewski
25521343898340097 + 37 • 41# • n	0..20	18	6 Feb 2007	Jaroslaw Wroblewski
1245653020090313 + 384 • 37# • n	0..20	17	4 Feb 2007	Jaroslaw Wroblewski
3135462279378283 + 316 • 37# • n	1..21	17	4 Feb 2007	Jaroslaw Wroblewski
789337428437009 + 320 • 37# • n	1..21	17	4 Feb 2007	Jaroslaw Wroblewski
620353098196661 + 84 • 37# • n	0..20	17	3 Feb 2007	Jaroslaw Wroblewski
9358091177025961 + 11 • 37# • n	0..20	17	1 Jan 2007	Jaroslaw Wroblewski
556904117141899 + 1105111 • 23# • n	1..21	16	1 Apr 2006	Markus Frind
1291515762123569 + 947674 • 23# • n	0..20	16	11 Mar 2006	Markus Frind
56211383760397 + 199678 • 23# • n	2..22	16	24 Jul 2004	Markus Frind, Paul Jobling, Paul Underwood