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
977091737Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
392973164508454731755.12008-05-28 14:37:15
14806301538754817991960.42015-12-23 14:37:39
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1480630153875481799 / TF: 1-62