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
977999821Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
131244759338715531753.52008-06-11 01:24:53
46993212398151248631962.02015-12-29 08:59:07
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 4699321239815124863 / TF: 1-62