Record history for SP7
Primes Type Digits When Discoverer
113225039190926127209 • 2339# / 57057 + 1 + d, d = 0, 2, 6, 8, 12, 18, 20 Tuplet 1002 27 Jan 2021 Peter Kaiser
x397 • 317# + 1068701 + 0, 2, 6, 8, 12, 18, 20 Tuplet 527 17 Jun 2019 Vidar Nakling, rieMiner
115828580393941 • 1193# + 5132201 + d, d = 0, 2, 6, 8, 12, 18, 20 Tuplet 515 17 Jan 2018 Norman Luhn, Primo
82466536397303904 • 1171# • 2n − 1, n = 0..6 CC, 1st kind 509 31 Dec 2015 Andrey Balyakin
25802590081726373888 • 1033# • 2n + 1, n = 0..6 CC, 2nd kind 454 17 Dec 2015 Andrey Balyakin
3931472185692005387730944 • 857# • 2n − 1, n = 0..6 CC, 1st kind 382 15 May 2015 Andrey Balyakin
14317181455772 • 853# • 2n − 1, n = 0..6 CC, 1st kind 368 24 Jul 2014 Serge Batalov, NewPGen, PrimeForm
162597166369 • 827# • 2n − 1, n = 0..6 CC, 1st kind 357 17 Jul 2010 Dirk Augustin, NewPGen, PrimeForm
68841237 • 701# + 2525568581 + d, d = 0, 2, 6, 8, 12, 18, 20 Tuplet 301 22 Jun 2009 Jens Kruse Andersen
1178137903623 • 661# • 2n − 1, n = 0..6 CC, 1st kind 292 1 Jul 2008 Dirk Augustin, NewPGen, PrimeForm
251733155478 • 647# + 1146779 + d, d = 0, 2, 8, 12, 14, 18, 20 Tuplet 282 4 Jan 2006 Norman Luhn
194688251849 • 601# + x155 + 210 • n, n = 0..6 CPAP 259 2003 Jim Fougeron
7127829789350 • 457# + x177 + 210 • n, n = 0..6 CPAP 201 2003 Torbjörn Alm & Jens Kruse Andersen
94552004441 • 409# + 165701 + d, d = 0, 2, 6, 8, 12, 18, 20 Tuplet 178 30 Jul 2003 Jens Kruse Andersen
497423806097 • 397# + 380284918609481 + d, d = 0, 2, 6, 8, 12, 18, 20 Tuplet 173 16 Aug 2001 Norman Luhn

Big constants

x155 = 573501051193549030504900787301835825160485101511983854806086469181338042238791
67823802443758585361919599047776527963058419047009660578164772858363185263809

x177 = 2487800940974722434048969121852020452317389149426520567185777105403476571899339316926569
63039429596697403345980150176975651015797243607875744813349096932598456481621971387004081

x397 = 328218688788602010456333410316884156014017012283287826533398471752444684864200635177806619672447392
249620201536539259942023218972369026762290403609010054873091866557776638590633976937291636312757660
779987530903845763711693853827939526026506444774774261236889041020217108597484837589978261046949778
7199182516499466558387976965904497393971453496036241885200541893611077817261813672809971503287259089