Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
117715027Factored
FactorDigitsBitsDate
315844278236568424672021238872994.72023-04-17 10:58:07
P-1 factors
DateFactorB1B2
2023-04-1731584427823656842467202123887572000572000
History
DateUserTypeResult
2023-04-17ky0urakuF-PM1
Factor: 31584427823656842467202123887 / (P-1, B1=572000)
2022-05-08TheJudgerNF
no factor from 2^76 to 2^77
2021-07-02TheJudgerNF
no factor from 2^75 to 2^76
2021-07-02TheJudgerNF
no factor from 2^74 to 2^75
2021-05-22ViliamFNF
no factor from 2^69 to 2^70
2015-05-26Ruediger EckhardNF
no factor from 2^73 to 2^74
2015-05-26Ruediger EckhardNF
no factor from 2^72 to 2^73
2015-05-26Ruediger EckhardNF
no factor from 2^71 to 2^72
2015-05-25XebecerNF
no factor from 2^70 to 2^71
2015-04-25Josh FamestadNF
no factor from 2^69 to 2^70
2015-04-05SMoffatNF
no factor from 2^68 to 2^69
2015-03-22SMoffatNF
no factor from 2^67 to 2^68
2014-12-10ANONYMOUSNF
no factor from 2^66 to 2^67
2012-07-15RichardNF
no factor from 2^65 to 2^66
2010-10-12James HintzNF
no factor from 2^64 to 2^65
2010-05-12G-ManNF
no factor from 2^63 to 2^64