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
977210119Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
8306286011511239.62008-06-01 01:28:58
13273957886247451211960.22015-12-23 16:08:49
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1327395788624745121 / TF: 1-62