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

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MnStatusDetails
318223319Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
4005928621837246592632168.42016-12-12 20:30:36
History
DateUserTypeResult
2025-03-08James HeinrichF
Factor: 400592862183724659263 / TF: 68-70
2016-12-12SarnetskyF
Factor: 400592862183724659263 / TF: 68-69*
2016-04-12SarnetskyNF
no factor from 2^67 to 2^68
2016-02-25ANONYMOUSNF
no factor from 2^66 to 2^67
2014-08-02GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-11-02oodairaNF
no factor from 2^64 to 2^65