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
122067221Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 942000
B2 = 473102280
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-06-18Luke DurantD38BD2D11B3CA018013
History
DateUserTypeResult
2024-06-18cestevezCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-06-18Luke DurantC-PRP
D38BD2D11B3CA018
PRP proof power = 9
PRP: Verified
Proof certified good
2024-03-23Simon JosefssonNF-PM1
B1=942000, B2=473102280
2022-06-26TheJudgerNF
no factor from 2^76 to 2^77
2021-10-23tServoNF
no factor from 2^75 to 2^76
2021-10-16ixfd64NF
no factor from 2^74 to 2^75
2020-01-26Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-01-26Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-06-24endless_mikeNF
no factor from 2^71 to 2^72
2015-06-21SMoffatNF
no factor from 2^70 to 2^71
2015-05-23Judge HaleNF
no factor from 2^69 to 2^70
2015-05-23Judge HaleNF
no factor from 2^68 to 2^69
2015-05-23Judge HaleNF
no factor from 2^67 to 2^68
2013-10-27E.LechnerNF
no factor from 2^66 to 2^67
2012-08-17tscNF
no factor from 2^65 to 2^66
2010-10-23Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-19subgeniusNF
no factor from 2^63 to 2^64