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
977964259Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
446342887807611445.32008-06-02 05:27:06
47003017127363155271962.02015-12-29 08:52:14
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 4700301712736315527 / TF: 1-62