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
977567783Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
410578468871135.32008-06-11 00:41:41
44690494574380631031962.02015-12-23 17:38:26
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4469049457438063103 / TF: 1-62