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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
74426977Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 12900000
LL
StatusDateUserResidueShift
Unverified2016-10-11arnaudB8C39EDC5A889E__9678285
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-11-27Luke DurantAFAB33FA81376331013
History
DateUserTypeResult
2024-11-27XyzzyCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-11-27Luke DurantC-PRP
AFAB33FA81376331
PRP proof power = 9
PRP: Verified
Proof certified good
2016-10-11arnaudC-LL
B8C39EDC5A889E__
2015-11-01TheJudgerNF-PM1
B1=645000, B2=12900000, E=12
2015-10-30AirSquirrelsNF
no factor from 2^74 to 2^75
2015-10-30AirSquirrelsNF
no factor from 2^73 to 2^74
2015-10-08RichD0NF
no factor from 2^72 to 2^73
2015-08-18Judge HaleNF
no factor from 2^71 to 2^72
2013-12-02arnaudNF
no factor from 2^70 to 2^71
2012-10-24SMoffatNF
no factor from 2^69 to 2^70
2010-07-25symalladNF
no factor from 2^68 to 2^69
2010-07-20Zet_korNF
no factor from 2^67 to 2^68
2010-07-11Zet_korNF
no factor from 2^66 to 2^67
2010-07-11GnorfeNF
no factor from 2^65 to 2^66
2010-07-09kurlyNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64