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
975021391Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
38480646022618161591961.72009-11-28 21:45:17
67947732341697267371962.62015-12-27 10:52:11
History
DateUserTypeResult
2015-12-27ConductorF
Factor: 6794773234169726737 / TF: 1-65