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
257000363Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3575812113593655825912168.32016-12-12 14:31:33
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 357581211359365582591 / TF: 68-70
2016-12-12Alex_soldierF
Factor: 357581211359365582591 / TF: 68-69*
2016-05-11XZTNF
no factor from 2^67 to 2^68
2015-12-17pjwrightNF
no factor from 2^66 to 2^67
2013-11-20GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-08-07RichardNF
no factor from 2^64 to 2^65
2010-03-09kiwiboyNF
no factor from 2^63 to 2^64
2010-03-09kiwiboyNF
no factor from 2^62 to 2^63