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
977551279Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3695143834631238.42008-06-01 01:41:06
47067262934794177211962.02015-12-23 17:34:08
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4706726293479417721 / TF: 1-62