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
977953439Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19559068791030.92008-06-01 01:58:03
3931372824791238.52008-06-01 01:58:03
14713564148830515611960.42015-12-29 08:49:05
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 1471356414883051561 / TF: 1-62