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
975156979Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
175528256231134.02008-06-10 21:48:05
308169108503591444.82008-06-10 21:48:05
15019163417158341191960.42015-12-30 15:21:09
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1501916341715834119 / TF: 1-65