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
977986769Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
469433649131135.52008-06-01 01:59:25
16575876623266789611960.52015-12-29 08:56:35
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 1657587662326678961 / TF: 1-62