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
977238887Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1250865775371236.92008-06-01 01:30:13
37604152371771341.82008-06-01 01:30:13
21289887809080127831960.92015-12-23 16:16:49
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2128988780908012783 / TF: 1-62