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
977943487Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
391177394811135.22008-06-01 01:57:36
6200161707591239.22008-06-01 01:57:36
11519832094433898711960.02015-12-29 08:46:15
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 1151983209443389871 / TF: 1-62