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
489072953Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5016557902849169195592168.82018-06-04 05:15:55
History
DateUserTypeResult
2018-06-04YxinityF
Factor: 501655790284916919559 / TF: 68-70
2016-07-06sasakiNF
no factor from 2^67 to 2^68
2016-03-30sasakiNF
no factor from 2^66 to 2^67
2014-11-05ANONYMOUSNF
no factor from 2^65 to 2^66
2011-12-17RichardNF
no factor from 2^64 to 2^65
2010-04-02Architects CubedNF
no factor from 2^63 to 2^64