Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
161964629No known factors, not tested for primality
TF
No factors below 278
TF target 278
History
DateUserTypeResult
2025-09-27GregNF
no factor from 2^76 to 2^78
2024-08-25tscNF
no factor from 2^75 to 2^76
2023-03-04SRBaseNF
no factor from 2^74 to 2^75
2021-11-27SRBaseNF
no factor from 2^73 to 2^74
2019-09-21kutensNF
no factor from 2^72 to 2^73
2019-03-21proxy2222NF
no factor from 2^71 to 2^72
2019-03-21ANONYMOUSNF
no factor from 2^71 to 2^72
2018-11-26Oliver KruseNF
no factor from 2^70 to 2^71
2018-11-01proxy2222NF
no factor from 2^70 to 2^71
2018-02-28Choi4KANGNF
no factor from 2^69 to 2^70
2018-02-11La GüiraNF
no factor from 2^69 to 2^70
2017-03-29nikoszNF
no factor from 2^68 to 2^69
2016-03-29XZTNF
no factor from 2^67 to 2^68
2015-05-17RichardNF
no factor from 2^66 to 2^67
2013-02-28Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-04runeskNF
no factor from 2^64 to 2^65
2010-07-01Mr-PlonkNF
no factor from 2^63 to 2^64