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
163223483Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
129382510417743106866312373.52019-12-16 04:40:09
History
DateUserTypeResult
2019-12-16Smok_bmv F
Factor: 12938251041774310686631 / TF: 73-74*
2019-06-27Ilya AlexandrovNF
no factor from 2^72 to 2^73
2019-05-12proxy2222NF
no factor from 2^71 to 2^72
2018-08-13ZenghuiNF
no factor from 2^70 to 2^71
2018-06-16proxy2222NF
no factor from 2^69 to 2^70
2017-04-05BrionHNF
no factor from 2^68 to 2^69
2016-03-04caddrNF
no factor from 2^67 to 2^68
2015-05-14Mr-PlonkNF
no factor from 2^66 to 2^67
2012-07-04Clown_RoyalNF
no factor from 2^65 to 2^66
2011-02-06sasaki3NF
no factor from 2^64 to 2^65
2010-07-02subgeniusNF
no factor from 2^63 to 2^64