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
977946859Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
60476233760571342.52008-06-01 01:57:47
27957477698378535431961.32015-12-29 08:47:50
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 2795747769837853543 / TF: 1-62