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
385993919Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6921383651555829260892169.22018-05-23 15:57:22
History
DateUserTypeResult
2018-05-23YxinityF
Factor: 692138365155582926089 / TF: 68-70
2017-02-03Doug RheaNF
no factor from 2^67 to 2^68
2016-04-10DerekNF
no factor from 2^66 to 2^67
2014-04-29soldcakeNF
no factor from 2^65 to 2^66
2011-02-08Architects CubedNF
no factor from 2^64 to 2^65