Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
61219429Factored
FactorDigitsBitsDate
135155532791032584023492531741176831337120.02013-02-07 05:41:53
P-1 factors
DateFactorB1B2
2013-02-0713515553279103258402349253174117683135800000
History
DateUserTypeResult
2022-03-29LordJuliusNF
no factor from 2^62 to 2^63
2013-02-07Amazon EC2F-PM1
Factor: 1351555327910325840234925317411768313
2013-01-19AntonioKNF
no factor from 2^71 to 2^73
2012-10-31S00030NF
no factor from 2^70 to 2^71
2011-10-29Allan MananganNF
no factor from 2^69 to 2^70
2009-07-11WRNF
no factor from 2^68 to 2^69
2009-02-15MurrayInfoSysNF
no factor from 2^67 to 2^68
2009-02-04BIGMATHNF
no factor from 2^66 to 2^67
2009-02-03Sturle SundeNF
no factor from 2^65 to 2^66
2009-02-02lindedNF
no factor from 2^64 to 2^65
2009-01-30ANONYMOUSNF
no factor from 2^63 to 2^64