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
977944237Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2275480650651611547.72008-06-02 05:26:52
36678329906230077371961.72015-12-29 08:46:21
History
DateUserTypeResult
2025-06-06mikrNF
no factor from 2^68 to 2^71
2015-12-29ConductorF
Factor: 3667832990623007737 / TF: 1-62