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
977979323Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
642725370531427911755.82008-06-11 01:23:23
23781671478615953271961.02015-12-29 08:55:19
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 2378167147861595327 / TF: 1-62