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

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MnStatusDetails
652017199Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6612652238268960245932169.22018-07-05 22:33:47
History
DateUserTypeResult
2025-03-07James HeinrichF
Factor: 661265223826896024593 / TF: 69-70
2018-07-05Alex_soldierF
Factor: 661265223826896024593 / TF: 69-70*
2017-05-10sasakiNF
no factor from 2^68 to 2^69
2017-02-03sasakiNF
no factor from 2^67 to 2^68
2014-06-23sasakiNF
no factor from 2^66 to 2^67
2014-02-24sasakiNF
no factor from 2^65 to 2^66
2010-11-06Architects CubedNF
no factor from 2^64 to 2^65
2010-07-21Architects CubedNF
no factor from 2^63 to 2^64