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
975472313Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
3180039740391238.22008-06-01 00:18:14
15278042304593029931960.42015-12-30 16:05:07
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1527804230459302993 / TF: 1-65