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
121343179Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 854000
B2 = 245869470
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-06-16IC_991B141021B092FD51636143213
History
DateUserTypeResult
2024-06-16ANONYMOUSCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-06-16IC_9C-PRP
91B141021B092FD5
PRP proof power = 8
PRP: Verified
Proof certified good
2024-02-14TaikelennNF-PM1
B1=854000, B2=245869470
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
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2015-06-11SMoffatNF
no factor from 2^71 to 2^72
2015-05-30SMoffatNF
no factor from 2^70 to 2^71
2013-11-26GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-26GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-26GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-18RichardNF
no factor from 2^65 to 2^66
2010-10-22vapaddyNF
no factor from 2^64 to 2^65
2010-05-23RichardNF
no factor from 2^63 to 2^64