Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
128188987Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1123000
B2 = 1466203200
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-10Luke DurantCC2614B726CB569C013
History
DateUserTypeResult
2024-08-10Luke DurantCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-08-10Luke DurantC-PRP
CC2614B726CB569C
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-24Luke DurantNF-PM1
B1=1123000, B2=1466203200
2024-06-25GregNF
no factor from 2^69 to 2^70
2024-06-24Jarod McClintockNF
no factor from 2^68 to 2^69
2023-01-09TravisJankNF
no factor from 2^76 to 2^77
2023-01-09TravisJankNF
no factor from 2^75 to 2^76
2022-12-21SRBaseNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-11-17SRBaseNF
no factor from 2^72 to 2^73
2015-11-04SourceBinary.comNF
no factor from 2^71 to 2^72
2015-11-02Meral HarbesNF
no factor from 2^70 to 2^71
2015-10-09Judge HaleNF
no factor from 2^69 to 2^70
2015-09-30Judge HaleNF
no factor from 2^68 to 2^69
2015-09-24Judge HaleNF
no factor from 2^67 to 2^68
2015-01-11el groccoNF
no factor from 2^66 to 2^67
2012-09-28tscNF
no factor from 2^65 to 2^66
2010-11-07AliNF
no factor from 2^64 to 2^65
2010-05-28OS1NF
no factor from 2^63 to 2^64