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

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MnStatusDetails
802291621Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21387490031639204222392270.92020-02-18 19:36:41
History
DateUserTypeResult
2020-02-18ConductorF
Factor: 2138749003163920422239 / TF: 70-71
2016-08-22ramgeisNF
no factor from 2^68 to 2^70
2014-12-19sasakiNF
no factor from 2^67 to 2^68
2014-12-09sasakiNF
no factor from 2^66 to 2^67
2012-02-07Mr-PlonkNF
no factor from 2^65 to 2^66
2012-02-07Mr-PlonkNF
no factor from 2^64 to 2^65
2010-07-01Architects CubedNF
no factor from 2^63 to 2^64