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
977631749Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
46973956341153762791962.02015-12-23 19:44:59
78547627190634120171962.82009-12-20 12:16:17
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4697395634115376279 / TF: 1-62