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
484797557Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
394375552866052655628072375.12025-09-16 09:08:19
History
DateUserTypeResult
2025-09-16SRBaseF
Factor: 39437555286605265562807 / TF: 75-76
2023-12-26SRBaseNF
no factor from 2^74 to 2^75
2022-06-28SRBaseNF
no factor from 2^73 to 2^74
2021-03-06SRBaseNF
no factor from 2^72 to 2^73
2020-09-01SRBaseNF
no factor from 2^71 to 2^72
2020-06-01SRBaseNF
no factor from 2^70 to 2^71
2018-12-26Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-05-07sasakiNF
no factor from 2^68 to 2^69
2016-06-27sasakiNF
no factor from 2^67 to 2^68
2016-03-28sasakiNF
no factor from 2^66 to 2^67
2016-03-26abcNF
no factor from 2^66 to 2^67
2014-10-17Mr-PlonkNF
no factor from 2^65 to 2^66