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

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MnStatusDetails
665489663Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5213683146846045948732168.82018-03-03 07:31:52
History
DateUserTypeResult
2018-03-03ConductorF
Factor: 521368314684604594873 / TF: 68-69
2016-03-19america64NF
no factor from 2^67 to 2^68
2014-05-04sasakiNF
no factor from 2^66 to 2^67
2011-11-03laleraNF
no factor from 2^65 to 2^66
2011-06-17laleraNF
no factor from 2^64 to 2^65
2010-06-16Architects CubedNF
no factor from 2^63 to 2^64