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
977004571Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
1319132031672791546.92008-05-27 22:57:10
12446965643100374711960.12015-12-22 17:09:02
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 1244696564310037471 / TF: 1-62