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
975102967Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4778004538311238.82008-05-31 23:59:23
53363929482480536631962.22015-12-29 15:05:12
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 5336392948248053663 / TF: 1-65