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
121232581Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 678000
B2 = 678000
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-04-02Burger Man107EAB800E4EBA1F3792502313
History
DateUserTypeResult
2024-04-03Jonathan WebbCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-04-02Burger ManC-PRP
107EAB800E4EBA1F
PRP proof power = 8
PRP: Verified
Proof certified good
2023-12-10Burger ManNF-PM1
B1=678000
2022-06-22TheJudgerNF
no factor from 2^76 to 2^77
2021-08-141997rj7NF
no factor from 2^75 to 2^76
2021-08-10ixfd64NF
no factor from 2^74 to 2^75
2021-07-06SRBaseNF
no factor from 2^73 to 2^74
2015-11-24taffaNF
no factor from 2^72 to 2^73
2015-11-24taffaNF
no factor from 2^71 to 2^72
2015-05-26symalladNF
no factor from 2^70 to 2^71
2013-11-16GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-11-16GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-11-16GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-10sasaki3NF
no factor from 2^65 to 2^66
2010-10-21Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-18Torchwood InstituteNF
no factor from 2^63 to 2^64