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
126788947Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 2000000
B2 = 1452496500
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-07-03Progga438C708D9B016E72777861313
History
DateUserTypeResult
2024-07-04CoffeeCatCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-07-03ProggaC-PRP
438C708D9B016E72
PRP proof power = 8
PRP: Verified
Proof certified good
2024-06-05Luke DurantNF-PM1
B1=2000000, B2=1452496500
2022-08-02TheJudgerNF
no factor from 2^76 to 2^77
2022-08-02TheJudgerNF
no factor from 2^75 to 2^76
2022-08-02TheJudgerNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2015-10-24workerthreadNF
no factor from 2^71 to 2^72
2015-10-19SourceBinary.comNF
no factor from 2^70 to 2^71
2015-10-14SourceBinary.comNF
no factor from 2^69 to 2^70
2015-09-02el groccoNF
no factor from 2^68 to 2^69
2015-08-15Judge HaleNF
no factor from 2^67 to 2^68
2015-01-03gooseNF
no factor from 2^66 to 2^67
2012-09-30RichardNF
no factor from 2^65 to 2^66
2010-11-03Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-27Cedric VonckNF
no factor from 2^63 to 2^64