All Known AP26 (PrimeGrid)
Total: 68
Rank Primes n's Digits When Discoverer
1 (453288850 + 506604143 • n) • 23# + 209586941 0..25 19 13 Apr 2026 Charlie McDonald
2 (1043167788 + 455577163 • n) • 23# + 18574247 0..25 19 15 Jun 2026 Louis Meuler
3 (1028820421 + 454109180 • n) • 23# + 13411427 0..25 19 11 Jun 2026 Sam Black
4 (1688330176 + 397344516 • n) • 23# + 138131087 0..25 19 05 Sep 2025 James Jayaputera
5 (406181158 + 442078785 • n) • 23# + 131384573 0..25 19 25 Jun 2025 Mark Williams
6 (2414220977 + 359254285 • n) • 23# + 59153879 0..25 19 15 Jan 2026 Dr. James Scott Brown
7 (1279029318 + 396799728 • n) • 23# + 201078901 0..25 19 14 Dec 2024 Rob Jackson
8 (1511802074 + 387080398 • n) • 23# + 196863643 0..25 19 19 Jul 2025 Kyle Gingrich
9 (1777471136 + 363018151 • n) • 23# + 144369193 0..25 19 29 Mar 2025 Dieter Stoll
10 (3039328016 + 297898653 • n) • 23# + 87213523 0..25 19 30 Mar 2026 Marius Vultur
11 (2280333093 + 324716842 • n) • 23# + 88785143 0..25 19 19 Aug 2025 Kai Presler
12 (707009542 + 369205110 • n) • 23# + 179779961 0..25 19 02 Sep 2024 Kai Presler
13 (196909426 + 386604266 • n) • 23# + 44255347 0..25 19 03 Nov 2024 Antonio Lucendo
14 (1805997839 + 303960530 • n) • 23# + 12988043 0..25 19 15 Aug 2024 Kai Presler
15 (1045814101 + 331326280 • n) • 23# + 67754339 0..25 19 28 Apr 2024 Bryan Little
16 (1384230725 + 305333815 • n) • 23# + 191876287 0..25 19 21 Aug 2024 Piotr Chodzinski
17 (4259617658 + 188140665 • n) • 23# + 172516889 0..25 19 22 Oct 2025 Marius Vultur
18 (3749663061 + 208216100 • n) • 23# + 104568829 0..25 19 03 Jan 2026 Vaughan Davies
19 (2413095958 + 254786044 • n) • 23# + 156148373 0..25 19 01 Nov 2024 Bruce E. Slade
20 (1775128621 + 277132544 • n) • 23# + 136857167 0..25 19 24 Jan 2025 Dieter Stoll
21 (116121935 + 339588674 • n) • 23# + 145040627 0..25 19 19 May 2024 Bryan Little
22 (4749503172 + 150452799 • n) • 23# + 89663143 0..25 19 12 Mar 2026 Jacques Molné
23 (1061586132 + 287316414 • n) • 23# + 216236003 0..25 19 28 Oct 2023 Brian D. Niegocki
24 (55360232 + 323868445 • n) • 23# + 171043979 0..25 19 09 Apr 2024 Anthony Templin
25 (805327922 + 278434137 • n) • 23# + 161818361 0..25 19 27 Sep 2023 HyeongShin Kang
26 (872899947 + 275216905 • n) • 23# + 216046573 0..25 19 17 Sep 2023 Michael Garrison
27 (2453991702 + 190447816 • n) • 23# + 132007151 0..25 19 05 Apr 2024 Anonymous
28 (4655855024 + 102235138 • n) • 23# + 121428757 0..25 19 24 Jul 2025 Sam Black
29 (1226749675 + 237731203 • n) • 23# + 167632343 0..25 19 09 May 2023 Jens Riemann
30 (64684319 + 283169697 • n) • 23# + 100998427 0..25 19 10 Jan 2023 Tom Greer
31 (1035544219 + 234509067 • n) • 23# + 139795813 0..25 19 07 May 2023 Qian Zhao
32 (164153392 + 267460371 • n) • 23# + 221426299 0..25 19 17 Jul 2022 HansJürgen Bergelt
33 (3517041184 + 131109295 • n) • 23# + 150250781 0..25 19 03 Feb 2025 Ian Johns
34 (977027477 + 230270814 • n) • 23# + 174808813 0..25 19 08 May 2023 Anonymous
35 (1293506933 + 216462528 • n) • 23# + 77703047 0..25 19 18 Jan 2023 Tom Greer
36 (2216994867 + 173879184 • n) • 23# + 215751827 0..25 19 01 Mar 2024 Heinrich Podsada
37 (3379370150 + 120481029 • n) • 23# + 215717729 0..25 19 15 Apr 2024 Gregory Coscia
38 (758951126 + 216411924 • n) • 23# + 142513051 0..25 19 18 Jan 2023 James Elmore
39 (1487818052 + 166810174 • n) • 23# + 213871709 0..25 19 10 May 2023 Anonymous
40 (3618983781 + 70463431 • n) • 23# + 22923041 0..25 19 05 Nov 2023 Wolfgang Schwieger
41 (1169683107 + 166143654 • n) • 23# + 194781959 0..25 19 31 Jul 2021 Tuna Ertemalp
42 (752967592 + 179101773 • n) • 23# + 97471849 0..25 19 23 Nov 2021 Jeff Kohn
43 (163982199 + 201392968 • n) • 23# + 172758823 0..25 19 07 Nov 2020 Rusty Clark
44 (2322867833 + 107056852 • n) • 23# + 9965311 0..25 19 12 Jul 2023 Frank Matillek
45 (4843355130 + 5719096 • n) • 23# + 75463811 0..25 19 07 Jul 2024 Naotaka Tamai
46 (2068632018 + 108734395 • n) • 23# + 171878827 0..25 19 27 Nov 2021 Jaroslav Čampulka
47 (3358745843 + 50047363 • n) • 23# + 43112021 0..25 19 24 Aug 2023 Anonymous
48 (2400195100 + 72638297 • n) • 23# + 188639189 0..25 18 22 Jan 2023 Jeff Thornton
49 (850497654 + 128332784 • n) • 23# + 168665851 0..25 18 28 Sep 2020 Glenn Hall
50 (1844061140 + 87211488 • n) • 23# + 96858043 0..25 18 25 Jun 2021 Juha Hauhia
51 (2087957939 + 72963664 • n) • 23# + 164327327 0..25 18 01 Mar 2021 Juha Hauhia
52 (2280631655 + 46576893 • n) • 23# + 130819291 0..25 18 24 Mar 2022 Giles Averay-Jones
53 (1943406175 + 59521353 • n) • 23# + 48528833 0..25 18 14 Nov 2020 Akihiko Satou
54 (1814308914 + 64189511 • n) • 23# + 196328497 0..25 18 15 Dec 2020 Anonymous
55 (1629468310 + 71150399 • n) • 23# + 161561573 0..25 18 31 Jan 2021 Syracuse University
56 (2142864307 + 39202915 • n) • 23# + 96506117 0..25 18 09 May 2020 Brian D. Niegocki
57 (1217888269 + 67515487 • n) • 23# + 2283947 0..25 18 11 Aug 2018 Syracuse University
58 (403139781 + 78413143 • n) • 23# + 192930629 0..25 18 17 Nov 2018 Daniel Wimmer
59 (1648667649 + 11897117 • n) • 23# + 122577289 0..25 18 01 Oct 2019 Jordan Romaidis
60 (721692089 + 47715109 • n) • 23# + 8153731 0..25 18 Outside of PrimeGrid
61 (250289413 + 62121807 • n) • 23# + 120677603 0..25 18 13 Jun 2018 Tom Greer
62 (613766439 + 44121555 • n) • 23# + 71125963 0..25 18 Outside of PrimeGrid
63 (27778395 + 55850603 • n) • 23# + 17108093 0..25 18 30 Mar 2018 Tom Greer
64 (216401313 + 37835074 • n) • 23# + 131669141 0..25 18 05 Sep 2017 Bruce E. Slade
65 (636951442 + 16549135 • n) • 23# + 132780883 0..25 18 11 Dec 2016 Koichi Soraku
66 (671633661 + 7725290 • n) • 23# + 48847391 0..25 18 03 Nov 2016 Takeshi Nakamura
67
(1st known)		 (193384694 + 23681770 • n) • 23# + 197182411 0..25 18 12 Apr 2010 Benoãt Perichon
68 (15626261 + 1666981 • n) • 23# + 59138353 0..25 17 Outside of PrimeGrid