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
977812469Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1936068688631237.52008-06-01 01:52:08
689142671901831446.02014-01-31 11:37:53
41958762836007442791961.92015-12-23 19:55:06
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4195876283600744279 / TF: 1-62
2014-01-31TJAOIF
Factor: 68914267190183