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
478692587Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4201829285257042373592168.52017-12-04 06:09:38
5869457511316411626732169.02017-12-04 06:09:37
History
DateUserTypeResult
2017-12-04ky0urakuF
Factor: 420182928525704237359 / TF: 68-69
2017-12-04ky0urakuF
Factor: 586945751131641162673 / TF: 68-69
2016-06-14sasakiNF
no factor from 2^67 to 2^68
2016-04-10monstNF
no factor from 2^66 to 2^67
2014-10-10y_t_b3983aNF
no factor from 2^65 to 2^66