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
977881043Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19557620871030.92008-06-01 01:55:01
880092938711136.42008-06-01 01:55:01
12644961089505078711960.12015-12-23 21:02:27
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1264496108950507871 / TF: 1-62