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
977177573Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
136804860231133.72008-06-01 01:27:36
46383865606191528711962.02015-12-23 15:59:13
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4638386560619152871 / TF: 1-62