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
977342791Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1172811349211236.82008-05-28 16:21:56
1528876874817131547.12008-05-28 16:21:59
14718225992115372071960.42015-12-23 16:33:12
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1471822599211537207 / TF: 1-62