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

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MnStatusDetails
819016153Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
22561508973622390209532270.92019-02-23 12:10:01
History
DateUserTypeResult
2019-02-23Alex_soldierF
Factor: 2256150897362239020953 / TF: 70-71
2017-01-09ramgeisNF
no factor from 2^68 to 2^70
2015-07-01sasakiNF
no factor from 2^67 to 2^68
2013-11-09sasakiNF
no factor from 2^66 to 2^67
2012-03-07Mr-PlonkNF
no factor from 2^65 to 2^66
2012-03-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-16Architects CubedNF
no factor from 2^63 to 2^64