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
975070381Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
42150078829341200471961.92009-11-28 21:46:19
125366714761958811672063.42015-12-28 13:02:42
History
DateUserTypeResult
2015-12-28ConductorF
Factor: 12536671476195881167 / TF: 1-65