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
127942741Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1105000
B2 = 1466203200
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-24Luke Durant3E991A1BF5CDFB28013
History
DateUserTypeResult
2024-08-24Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-24Luke DurantC-PRP
3E991A1BF5CDFB28
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-22Luke DurantNF-PM1
B1=1105000, B2=1466203200
2023-01-10TravisJankNF
no factor from 2^76 to 2^77
2023-01-10TravisJankNF
no factor from 2^75 to 2^76
2023-01-10TravisJankNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-10-19SRBaseNF
no factor from 2^72 to 2^73
2016-09-22roemer2201NF
no factor from 2^71 to 2^72
2016-08-06Mihai PredaNF
no factor from 2^70 to 2^71
2016-06-24Mihai PredaNF
no factor from 2^69 to 2^70
2016-05-06Mihai PredaNF
no factor from 2^68 to 2^69
2015-10-07el groccoNF
no factor from 2^67 to 2^68
2015-01-09firereddNF
no factor from 2^66 to 2^67
2012-09-26Mr-PlonkNF
no factor from 2^65 to 2^66
2010-11-06Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-28-Anonymous-NF
no factor from 2^63 to 2^64