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
975157921Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
83141964344471342.92008-06-10 21:51:06
11566711249790780411960.02015-12-30 15:21:22
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1156671124979078041 / TF: 1-65