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
121171823Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1104000
B2 = 2742069330
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-05-20Luke Durant3974D460A05DB0AB8071844313
History
DateUserTypeResult
2024-05-20duncanwaCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-05-20Luke DurantC-PRP
3974D460A05DB0AB
PRP proof power = 8
PRP: Verified
Proof certified good
2024-01-26Luke DurantNF-PM1
B1=1104000, B2=2742069330
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-25TheJudgerNF
no factor from 2^75 to 2^76
2021-07-25TheJudgerNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-10-28SRBaseNF
no factor from 2^72 to 2^73
2015-07-21Ryan PropperNF
no factor from 2^71 to 2^72
2015-07-19bunddogNF
no factor from 2^70 to 2^71
2013-11-05GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-05GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-05GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-14RichardNF
no factor from 2^65 to 2^66
2010-10-20Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-18sasaki3NF
no factor from 2^63 to 2^64