Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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Exponent Range:










MnStatusDetails
137756257Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 676000
B2 = 31127040
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-01-10Runtime Error7B152DC7AACAE765013
History
DateUserTypeResult
2025-01-10Ethan O'ConnorCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-01-10Runtime ErrorC-PRP
7B152DC7AACAE765
PRP proof power = 10
PRP: Verified
Proof certified good
2024-09-19Ryan PropperNF-PM1
B1=676000, B2=31127040
2024-07-30La GüiraNF
no factor from 2^76 to 2^77
2024-07-13SRBaseNF
no factor from 2^75 to 2^76
2023-01-15SRBaseNF
no factor from 2^74 to 2^75
2021-07-31SRBaseNF
no factor from 2^73 to 2^74
2020-11-13SRBaseNF
no factor from 2^72 to 2^73
2016-04-02Mihai PredaNF
no factor from 2^71 to 2^72
2016-03-22SourceBinary.comNF
no factor from 2^70 to 2^71
2016-02-22La GüiraNF
no factor from 2^69 to 2^70
2016-02-22La GüiraNF
no factor from 2^68 to 2^69
2016-02-22La GüiraNF
no factor from 2^67 to 2^68
2015-02-05Karol TNF
no factor from 2^66 to 2^67
2012-11-18RichardNF
no factor from 2^65 to 2^66
2010-12-01csabaNF
no factor from 2^64 to 2^65
2010-06-11Torchwood InstituteNF
no factor from 2^63 to 2^64