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
267031283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
37905836580687214483672271.72019-11-03 05:07:41
History
DateUserTypeResult
2025-04-30James HeinrichF
Factor: 3790583658068721448367 / TF: 71-72
2019-11-03Smok_bmv F
Factor: 3790583658068721448367 / TF: 71-72*
2019-11-03Smok_bmv NF
no factor from 2^70 to 2^71
2019-06-02mnd9NF
no factor from 2^69 to 2^70
2018-06-26Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-07-26XZTNF
no factor from 2^67 to 2^68
2015-12-29Grant McCrackenNF
no factor from 2^66 to 2^67
2013-11-24ANONYMOUSNF
no factor from 2^65 to 2^66
2011-08-21sasaki3NF
no factor from 2^64 to 2^65
2010-03-22OS1NF
no factor from 2^63 to 2^64
2010-03-22OS1NF
no factor from 2^62 to 2^63