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
537037783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39565736505811929549832271.72020-01-16 18:49:26
History
DateUserTypeResult
2025-04-07James HeinrichF
Factor: 3956573650581192954983 / TF: 71-72
2020-01-16Smok_bmv F
Factor: 3956573650581192954983 / TF: 71-72*
2019-09-19sasakiNF
no factor from 2^70 to 2^71
2018-09-06Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2017-08-02sasakiNF
no factor from 2^68 to 2^69
2016-10-28sasakiNF
no factor from 2^67 to 2^68
2016-03-22ANONYMOUSNF
no factor from 2^66 to 2^67
2014-11-07vwflat4NF
no factor from 2^65 to 2^66
2012-01-04sasaki3NF
no factor from 2^64 to 2^65
2010-07-10Architects CubedNF
no factor from 2^63 to 2^64