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
977919199Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
485577954909858011755.42008-06-11 01:21:52
27902633509066190571961.32015-12-29 08:40:44
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 2790263350906619057 / TF: 1-62