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

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MnStatusDetails
528008407Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6964171828186019785212169.22017-08-01 09:44:25
History
DateUserTypeResult
2025-03-10James HeinrichF
Factor: 696417182818601978521 / TF: 69-70
2017-08-01Alex_soldierF
Factor: 696417182818601978521 / TF: 69-70*
2017-06-28sasakiNF
no factor from 2^68 to 2^69
2016-09-09sasakiNF
no factor from 2^67 to 2^68
2016-03-04ANONYMOUSNF
no factor from 2^66 to 2^67
2014-10-15sasakiNF
no factor from 2^65 to 2^66
2012-01-01ANONYMOUSNF
no factor from 2^64 to 2^65
2010-03-09Architects CubedNF
no factor from 2^63 to 2^64