Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
560133983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
37115761888769901075192271.72020-02-02 16:29:49
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 3711576188876990107519 / TF: 71-72
2020-02-02Smok_bmv F
Factor: 3711576188876990107519 / TF: 71-72*
2019-12-29sasakiNF
no factor from 2^70 to 2^71
2018-11-08Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-11-05sasakiNF
no factor from 2^69 to 2^70
2018-04-03sasakiNF
no factor from 2^68 to 2^69
2016-07-17XZTNF
no factor from 2^67 to 2^68
2015-10-29sasakiNF
no factor from 2^66 to 2^67
2014-04-15sasakiNF
no factor from 2^65 to 2^66
2011-07-10Architects CubedNF
no factor from 2^64 to 2^65
2010-03-03Architects CubedNF
no factor from 2^63 to 2^64