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
121428143Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 946000
B2 = 510857490
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-05-21Luke Durant8D374B79B6851887013
History
DateUserTypeResult
2024-05-21LOBESCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-05-21Luke DurantC-PRP
8D374B79B6851887
PRP proof power = 9
PRP: Verified
Proof certified good
2024-02-17Simon JosefssonNF-PM1
B1=946000, B2=510857490
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-08-20TheJudgerNF
no factor from 2^75 to 2^76
2021-08-20TheJudgerNF
no factor from 2^74 to 2^75
2021-07-08SRBaseNF
no factor from 2^73 to 2^74
2020-08-26tscNF
no factor from 2^72 to 2^73
2015-12-10qwertyuio999NF
no factor from 2^71 to 2^72
2015-12-01SourceBinary.comNF
no factor from 2^70 to 2^71
2013-12-07GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-07GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-07GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-17gdfNF
no factor from 2^65 to 2^66
2010-10-21Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-18OS1NF
no factor from 2^63 to 2^64