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

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MnStatusDetails
627315307Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1988922748162926393132167.42016-10-02 09:09:22
History
DateUserTypeResult
2016-10-02NipalF
Factor: 198892274816292639313 / TF: 67-70
2014-04-16sasakiNF
no factor from 2^65 to 2^67
2012-01-18HardyP GermanyNF
no factor from 2^64 to 2^65
2010-07-31Architects CubedNF
no factor from 2^63 to 2^64