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

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MnStatusDetails
237905263Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1986689753174388632172167.42016-10-06 18:15:59
History
DateUserTypeResult
2016-10-06Mikhail E. GolosovF
Factor: 198668975317438863217 / TF: 67-68
2015-11-27tscNF
no factor from 2^66 to 2^67
2013-10-16GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-07-04Mr-PlonkNF
no factor from 2^64 to 2^65