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
127731173Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1114000
B2 = 1466203200
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-20Luke DurantCFBA04058BD5F76D013
History
DateUserTypeResult
2024-08-20YxinityCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-20Luke DurantC-PRP
CFBA04058BD5F76D
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-21Luke DurantNF-PM1
B1=1114000, B2=1466203200
2022-12-21Mark RoseNF
no factor from 2^76 to 2^77
2022-12-19Kevin JagetNF
no factor from 2^75 to 2^76
2022-12-19Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-11-13SRBaseNF
no factor from 2^72 to 2^73
2016-08-08arnaudNF
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
2015-09-28el groccoNF
no factor from 2^67 to 2^68
2015-01-08tscNF
no factor from 2^66 to 2^67
2012-09-25Gordon SpenceNF
no factor from 2^65 to 2^66
2010-11-06sasaki3NF
no factor from 2^64 to 2^65
2010-05-28Torchwood InstituteNF
no factor from 2^63 to 2^64