Record history for SP9
Base Prime Pattern Type Digits When Discoverer
x94 • 541# + 353544053775371 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 314 28 Nov 2025 Riecoin #2468017
x97 • 523# + 353247262660751 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 314 21 Nov 2025 Riecoin #2463799
x102 • 509# + 353692449332681 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 313 23 Oct 2025 Riecoin #2447007
x93 • 541# + 145933845312371 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 312 22 Apr 2023 Riecoin #1918654
x100 • 503# + 220469307413891 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 309 16 Feb 2022 Riecoin #1669866
x109 • 463# + 2325810733931801 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 302 22 Aug 2021 Riecoin #1567399
553374939996823808 • 593# • 2n − 1 n = 0..8 CC, 1st kind 261 10 Mar 2016 Andrey Balyakin
40912747216912409971130368 • 401# • 2n − 1 n = 0..8 CC, 1st kind 191 17 Dec 2015 Andrey Balyakin
173129832252242394185728 • 401# • 2n + 1 n = 0..8 CC, 2nd kind 189 15 May 2015 Andrey Balyakin
65728407627 • 431# • 2n − 1 n = 0..8 CC, 1st kind 187 7 Aug 2005 Dirk Augustin, NewPGen, PrimeForm
90421624808713 • 293# + 103498931  + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 135 6 Feb 2005 Norman Luhn
1619062142 • 251# + 53344165991 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 111 17 Aug 2003 Thomas Wolter & Jens Kruse Andersen
388793398651 • 241# + 1042090781 + d d = 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 110 23 Feb 2001 Norman Luhn

Big constants

x93 = 182075127245948453356763852678412657384571384320476086323955359028566228121357180020362596219

x94 = 7913805730685155273525416643676380861078862065429627716969684739257619494219023575563868761880

x97 = 3066546496865671431270866422370533174144916858564597517847298836468987331829097727169240388706159

x100 = 7620229574837377603687519001462575679324290703538353038451014140653366016375223441137843726785037341

x102 = 167246716612896520074545735749165120598400537818062913646885152544626758547188374593953866510009613328

x109 = 3662943827507055653453285926700023101620402654194921037456914703634367453333223968004841750810165461896894501