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
681763003Factored
FactorDigitsBitsDate
4166987264544334455372168.52018-06-04 19:33:43
History
DateUserTypeResult
2018-06-04ConductorF
Factor: 416698726454433445537 / TF: 68-69
2016-10-18sasakiNF
no factor from 2^67 to 2^68
2014-08-01sasakiNF
no factor from 2^66 to 2^67
2014-01-20sasakiNF
no factor from 2^65 to 2^66