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
977298461Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2610897071089844871857.92008-06-11 00:35:02
11654952932307831531960.02015-12-23 16:25:27
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1165495293230783153 / TF: 1-62