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
501123283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
43083249249407931962172271.92019-12-01 14:12:58
History
DateUserTypeResult
2019-12-01Smok_bmv F
Factor: 4308324924940793196217 / TF: 71-72
2019-03-02Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-06-29sasakiNF
no factor from 2^69 to 2^70
2017-10-27sasakiNF
no factor from 2^68 to 2^69
2016-04-11sasakiNF
no factor from 2^67 to 2^68
2014-11-11sasakiNF
no factor from 2^66 to 2^67
2014-08-01Andres AitsenNF
no factor from 2^65 to 2^66
2011-12-23Damian SilvestreNF
no factor from 2^64 to 2^65
2010-06-30Architects CubedNF
no factor from 2^63 to 2^64