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
682309981Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3973045491492622995532168.42018-06-09 11:47:48
History
DateUserTypeResult
2018-06-09ConductorF
Factor: 397304549149262299553 / TF: 68-69
2016-10-26sasakiNF
no factor from 2^67 to 2^68
2014-07-30sasakiNF
no factor from 2^66 to 2^67
2014-01-24sasakiNF
no factor from 2^65 to 2^66
2012-01-30tscNF
no factor from 2^64 to 2^65
2010-07-05Architects CubedNF
no factor from 2^63 to 2^64