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
127985861Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 277
P-1
B1 = 1068000
B2 = 1361479350
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-19Luke Durant819933F7C36467F8013
History
DateUserTypeResult
2024-08-19Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-19Luke DurantC-PRP
819933F7C36467F8
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-23Luke DurantNF-PM1
B1=1068000, B2=1361479350
2023-05-07hktNF
no factor from 2^77 to 2^78
2023-01-09TravisJankNF
no factor from 2^76 to 2^77
2023-01-01Kevin JagetNF
no factor from 2^75 to 2^76
2022-12-31Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2016-08-06proxy2222NF
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
2015-09-11el groccoNF
no factor from 2^67 to 2^68
2015-01-14vapaddyNF
no factor from 2^66 to 2^67
2012-09-27sasaki3NF
no factor from 2^65 to 2^66
2010-11-06Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-28Torchwood InstituteNF
no factor from 2^63 to 2^64