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
191999657Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
24579977255346913541772271.12019-01-04 05:44:37
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^68 to 2^69
2019-01-04Smok_bmv F
Factor: 2457997725534691354177 / TF: 71-72
2018-12-23DerekNF
no factor from 2^70 to 2^71
2018-11-27ANONYMOUSNF
no factor from 2^69 to 2^70
2016-11-21Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-30XZTNF
no factor from 2^67 to 2^68
2015-09-02c10ck3rNF
no factor from 2^66 to 2^67
2013-06-12subgeniusNF
no factor from 2^65 to 2^66
2011-04-13carlos56NF
no factor from 2^64 to 2^65
2010-08-06RichardNF
no factor from 2^63 to 2^64