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
975039209Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
876263271448722791756.32008-06-10 23:24:30
251164105599839147112064.42015-12-27 17:55:45
History
DateUserTypeResult
2015-12-27ConductorF
Factor: 25116410559983914711 / TF: 1-65