Record history for SP10
Primes Type Digits When Discoverer
x98 • 449# + 226554621544607 + d, d = 0, 2, 6, 12, 14, 20, 24, 26, 30, 32 Tuplet 282 12 Sep 2021 Riecoin #1579367
3696772637099483023015936 • 311# • 2n − 1, n = 0..9 CC, 1st kind 152 10 Mar 2016 Andrey Balyakin
380036435653000196587520 • 311# • 2n − 1, n = 0..9CC, 1st kind 151 31 Dec 2015 Andrey Balyakin
144941178918272079102115840 • 307# • 2n ± 1, n = 0..4 BiTwin 150 6 Apr 2015 Andrey Balyakin
x89 • 149# • 2n − 1, n = 0..9 CC, 1st kind 148 27 Sep 2013 Primecoin
x80 • 151# • 2n − 1, n = 1..10 CC, 1st kind 141 3 Aug 2013 Primecoin
x83a • 139# • 2n ± 1, n = 0..4 BiTwin 139 29 Jul 2013 Primecoin
1070828503293 • 239# • 2n + 1, n = 0..9 CC, 2nd kind 110 12 Jul 2009 Dirk Augustin, NewPGen, PrimeForm
24698258 • 239# + 28606476153371 + d, d = 0, 2, 6, 8, 12, 18, 20, 26, 30, 32 Tuplet 104 18 Aug 2004 Jens Kruse Andersen
72613488698235 • 227# + 39058751 + d, d = 0, 2, 6, 8, 12, 18, 20, 26, 30, 32 Tuplet 103 11 Apr 2004 Norman Luhn
507618446770482 • 193# + x77+ 210 • n, n = 0..9 CPAP 93 2 Mar 1998 Manfred Toplic

Big constants

x77 = 54538241683887582668189703590110659057865934764604873840781923513421103495579

x80 = 73853903764168979088206401473739410396455001112581722569026969860983656346568919

x83a = 39027761902802007714618528725397363585108921377235848032440823132447464787653697269

x89 = 44598464649019035883154084128331646888059795218766083584048621139159337786287845212160000

x98 = 14315614956030418747867488895208199566750873528908316976274174208238191434937011407287479676495550