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Record history for k=9

k Primes Type Digits Year Discoverer
9 x100 503# + 220469307413891 + 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 309 2022 Bielawski Mathematicians
9 x109 463# + 2325810733931801 + 0, 2, 6, 8, 12, 18, 20, 26, 30 Tuplet 302 2021 Riecoin #1567399, PrimaPoolSolo
9 553374939996823808 593# 2n - 1, n=0..8 CC, 1st kind 261 2016 Andrey Balyakin
9 40912747216912409971130368 401# 2n - 1, n=0..8 CC, 1st kind 191 2015 Andrey Balyakin
9 173129832252242394185728 401# 2n + 1, n=0..8 CC, 2nd kind 189 2015 Andrey Balyakin
9 65728407627 431# 2n - 1, n=0..8 CC, 1st kind 187 2005 Dirk Augustin, NewPGen, PrimeForm
9 90421624808713 293# + 103498931  + 0,2,6,8,12,18,20,26,30 Tuplet 135 2005 Norman Luhn
9 1619062142 255# + 53344165991 + 0,2,6,8,12,18,20,26,30 Tuplet 111 2003 Thomas Wolter & Jens K. Andersen
9 388793398651 250# + 1042090781 + 0,2,6,8,12,18,20,26,30 Tuplet 110 2001 Norman Luhn