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
977124931Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
175882487591134.02008-06-01 01:25:18
16800255522826902791960.52015-12-23 14:43:30
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1680025552282690279 / TF: 1-62