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
397607123TF
No factors below 275
TF target 281
History
DateUserTypeResult
2023-11-12SRBaseNF
no factor from 2^74 to 2^75
2022-05-15SRBaseNF
no factor from 2^73 to 2^74
2021-01-31SRBaseNF
no factor from 2^72 to 2^73
2020-08-04SRBaseNF
no factor from 2^71 to 2^72
2020-05-25SRBaseNF
no factor from 2^70 to 2^71
2018-04-27mikrNF
no factor from 2^68 to 2^70
2017-02-16Dave BellNF
no factor from 2^67 to 2^68
2016-04-16DerekNF
no factor from 2^66 to 2^67
2014-06-09RichardNF
no factor from 2^65 to 2^66
2010-05-08Architects CubedNF
no factor from 2^64 to 2^65