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
665717257Factored
FactorDigitsBitsDate
4481230211790404004712168.62018-03-04 08:35:10
History
DateUserTypeResult
2018-03-04ConductorF
Factor: 448123021179040400471 / TF: 68-69
2016-03-19america64NF
no factor from 2^67 to 2^68
2014-04-29sasakiNF
no factor from 2^66 to 2^67
2011-11-03laleraNF
no factor from 2^65 to 2^66
2011-06-26laleraNF
no factor from 2^64 to 2^65
2010-06-14Architects CubedNF
no factor from 2^63 to 2^64