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
977121841Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19757403625031340.82008-06-01 01:25:12
19960671604289385671960.82015-12-23 14:43:01
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1996067160428938567 / TF: 1-62