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
407007509Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2987974600923373270632168.02016-12-11 14:26:02
History
DateUserTypeResult
2016-12-11ConductorF
Factor: 298797460092337327063 / TF: 68-69
2014-06-07Carsten KossendeyNF
no factor from 2^65 to 2^68