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
127198229Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 277
P-1
B1 = 1068000
B2 = 1389365250
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-03Luke Durant8666D318B8770659013
History
DateUserTypeResult
2024-08-03Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-03Luke DurantC-PRP
8666D318B8770659
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-16Luke DurantNF-PM1
B1=1068000, B2=1389365250
2023-02-21halver3214NF
no factor from 2^77 to 2^78
2022-10-06Bill StaffenNF
no factor from 2^74 to 2^77
2021-07-11SRBaseNF
no factor from 2^73 to 2^74
2020-11-17SRBaseNF
no factor from 2^72 to 2^73
2016-05-13Earle LoweNF
no factor from 2^71 to 2^72
2016-05-12PascalBieriNF
no factor from 2^70 to 2^71
2016-05-02PascalBieriNF
no factor from 2^69 to 2^70
2016-03-31proxy2222NF
no factor from 2^68 to 2^69
2015-08-24el groccoNF
no factor from 2^67 to 2^68
2015-01-06FuesslerNF
no factor from 2^66 to 2^67
2012-09-28RichardNF
no factor from 2^65 to 2^66
2010-11-05sasaki3NF
no factor from 2^64 to 2^65
2010-05-27sasaki3NF
no factor from 2^63 to 2^64