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
681677291Factored
FactorDigitsBitsDate
4203546850528768158492168.52018-06-04 16:23:06
History
DateUserTypeResult
2018-06-04ConductorF
Factor: 420354685052876815849 / TF: 68-69
2016-10-18sasakiNF
no factor from 2^67 to 2^68
2014-07-29sasakiNF
no factor from 2^66 to 2^67
2014-01-22sasakiNF
no factor from 2^65 to 2^66