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

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MnStatusDetails
255134531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6666018205855826107272169.22018-06-15 03:54:52
History
DateUserTypeResult
2018-07-01RichardNF
no factor from 2^68 to 2^69
2018-06-15YxinityF
Factor: 666601820585582610727 / TF: 69-70
2018-06-15YxinityNF
no factor from 2^68 to 2^69
2015-09-02caddrNF
no factor from 2^66 to 2^68
2013-11-11Grant McCrackenNF
no factor from 2^65 to 2^66
2011-08-02Mr-PlonkNF
no factor from 2^64 to 2^65
2010-03-07Architects CubedNF
no factor from 2^63 to 2^64
2010-03-07Architects CubedNF
no factor from 2^62 to 2^63