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
975158771Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19503175431030.92008-06-10 21:50:05
12417917998000502091960.12015-12-30 15:21:36
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1241791799800050209 / TF: 1-65