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
977056331Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19541126631030.92008-05-27 23:42:34
38727777203113211651.82014-07-11 11:34:13
43513577483754987371961.92015-12-22 20:49:50
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 4351357748375498737 / TF: 1-62
2014-07-11TJAOIF
Factor: 3872777720311321