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
121005751Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 925000
B2 = 462409080
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-05-08Luke Durant44338BD5973444F9013
History
DateUserTypeResult
2024-05-09George WoltmanCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-05-08Luke DurantC-PRP
44338BD5973444F9
PRP proof power = 8
PRP: Verified
Proof certified good
2024-01-11Simon JosefssonNF-PM1
B1=925000, B2=462409080
2022-10-03Clete2NF
no factor from 2^76 to 2^77
2021-07-17TheJudgerNF
no factor from 2^75 to 2^76
2021-07-17TheJudgerNF
no factor from 2^74 to 2^75
2021-07-05SRBaseNF
no factor from 2^73 to 2^74
2020-10-30SRBaseNF
no factor from 2^72 to 2^73
2014-09-12La GüiraNF
no factor from 2^71 to 2^72
2014-09-12La GüiraNF
no factor from 2^70 to 2^71
2013-09-27GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-09-27GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-09-27GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-09carlos56NF
no factor from 2^65 to 2^66
2010-10-20sasaki3NF
no factor from 2^64 to 2^65
2010-05-23RichardNF
no factor from 2^63 to 2^64