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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
74423047Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 12900000
LL
StatusDateUserResidueShift
Unverified2016-11-02kawarinB4C1D379EE7FFE__58179923
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-11-27Luke DurantB78C3E338DE65B50013
History
DateUserTypeResult
2024-11-27ANONYMOUSCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-11-27Luke DurantC-PRP
B78C3E338DE65B50
PRP proof power = 9
PRP: Verified
Proof certified good
2016-11-02kawarinC-LL
B4C1D379EE7FFE__
2015-10-25TheJudgerNF-PM1
B1=645000, B2=12900000, E=12
2015-10-23AirSquirrelsNF
no factor from 2^74 to 2^75
2015-10-23AirSquirrelsNF
no factor from 2^73 to 2^74
2015-09-02BdotNF
no factor from 2^72 to 2^73
2015-08-18Judge HaleNF
no factor from 2^71 to 2^72
2013-11-30SWL551NF
no factor from 2^70 to 2^71
2012-10-24SMoffatNF
no factor from 2^69 to 2^70
2011-02-05Klaas de JongNF
no factor from 2^68 to 2^69
2011-01-29Klaas de JongNF
no factor from 2^67 to 2^68
2011-01-22Powerful American ComputerNF
no factor from 2^66 to 2^67
2011-01-22KBoydNF
no factor from 2^65 to 2^66
2010-09-13sunithayaNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64