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
128937209Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1115000
B2 = 1535052750
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-18Luke DurantED10EA69AD68C18E013
History
DateUserTypeResult
2024-08-18hordkhenCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-08-18Luke DurantC-PRP
ED10EA69AD68C18E
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-29Luke DurantNF-PM1
B1=1115000, B2=1535052750
2023-02-14tServoNF
no factor from 2^76 to 2^77
2023-02-14tServoNF
no factor from 2^75 to 2^76
2022-12-16Lars HNF
no factor from 2^74 to 2^75
2019-05-21Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-05-21Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-12-11SRS TechnologyNF
no factor from 2^71 to 2^72
2015-11-17SourceBinary.comNF
no factor from 2^70 to 2^71
2015-11-13Smok_bmv NF
no factor from 2^69 to 2^70
2015-11-09SMoffatNF
no factor from 2^68 to 2^69
2015-09-12el groccoNF
no factor from 2^67 to 2^68
2015-01-11tscNF
no factor from 2^66 to 2^67
2012-10-02sasaki3NF
no factor from 2^65 to 2^66
2010-11-09Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-30sasaki3NF
no factor from 2^63 to 2^64