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
483355321Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
399312260543296609531032375.12025-09-15 08:43:00
History
DateUserTypeResult
2025-09-15SRBaseF
Factor: 39931226054329660953103 / TF: 75-76
2023-12-28SRBaseNF
no factor from 2^74 to 2^75
2022-06-28SRBaseNF
no factor from 2^73 to 2^74
2021-03-05SRBaseNF
no factor from 2^72 to 2^73
2020-08-20SRBaseNF
no factor from 2^71 to 2^72
2020-06-01SRBaseNF
no factor from 2^70 to 2^71
2018-12-20Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-04-18sasakiNF
no factor from 2^68 to 2^69
2016-06-24sasakiNF
no factor from 2^67 to 2^68
2016-03-29sasakiNF
no factor from 2^66 to 2^67
2014-10-17RichardNF
no factor from 2^65 to 2^66
2011-12-14tscNF
no factor from 2^64 to 2^65
2010-04-01Architects CubedNF
no factor from 2^63 to 2^64