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
121500031Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 581000
B2 = 26375370
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-06-05Bricyn JamesonAD264915E6E6C1E810667553913
History
DateUserTypeResult
2024-06-05Joe S.CERT
PRP Certification
CERT proof power = 10
Proof certified good
2024-06-05Bricyn JamesonC-PRP
AD264915E6E6C1E8
PRP proof power = 10
PRP: Verified
Proof certified good
2024-02-22Wojciech FlorekNF-PM1
B1=581000, B2=26375370
2022-06-24TheJudgerNF
no factor from 2^76 to 2^77
2021-09-13DRobinsonPENF
no factor from 2^75 to 2^76
2021-08-22RichD0NF
no factor from 2^74 to 2^75
2021-07-16SRBaseNF
no factor from 2^73 to 2^74
2020-09-27tscNF
no factor from 2^72 to 2^73
2015-11-29workerthreadNF
no factor from 2^71 to 2^72
2015-11-20workerthreadNF
no factor from 2^70 to 2^71
2013-12-14GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-14GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-14GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-19RichardNF
no factor from 2^65 to 2^66
2010-10-23RichardNF
no factor from 2^64 to 2^65
2010-05-22Carsten KossendeyNF
no factor from 2^63 to 2^64