Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
399997427Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2933256173284295062392168.02016-09-05 02:09:06
History
DateUserTypeResult
2016-09-05Alex_soldierF
Factor: 293325617328429506239 / TF: 67-68*
2016-04-09DerekNF
no factor from 2^66 to 2^67
2014-06-07sasaki3NF
no factor from 2^65 to 2^66
2010-05-11Architects CubedNF
no factor from 2^64 to 2^65