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
977464073Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2245425698470923771857.62008-05-30 06:23:34
25187693820377042411961.12015-12-23 16:56:29
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2518769382037704241 / TF: 1-62