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
121664281Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 907000
B2 = 369976950
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-06-10-Anonymous-A7AF36E49D77007411460835313
History
DateUserTypeResult
2024-06-11volkiCERT
PRP Certification
CERT proof power = 10
Proof certified good
2024-06-10-Anonymous-C-PRP
A7AF36E49D770074
PRP proof power = 10
PRP: Verified
Proof certified good
2024-04-03JacobZNF-PM1
B1=907000, B2=369976950
2022-06-24TheJudgerNF
no factor from 2^76 to 2^77
2021-08-21TheJudgerNF
no factor from 2^75 to 2^76
2021-08-21TheJudgerNF
no factor from 2^74 to 2^75
2020-03-07Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-07Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-06-02Earle LoweNF
no factor from 2^71 to 2^72
2015-06-02Earle LoweNF
no factor from 2^70 to 2^71
2013-12-24GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-24GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-24GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-17RichardNF
no factor from 2^65 to 2^66
2010-10-22Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-18Torchwood InstituteNF
no factor from 2^63 to 2^64