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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
74422657Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12555000
LL
StatusDateUserResidueShift
Unverified2016-06-01Arthur Rosenthal4E5505D4F8664E__4102775
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-11-27Luke Durant4FFBB737B8B5F5B0013
History
DateUserTypeResult
2024-11-27jocosumCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-11-27Luke DurantC-PRP
4FFBB737B8B5F5B0
PRP proof power = 9
PRP: Verified
Proof certified good
2016-06-01Arthur RosenthalC-LL
4E5505D4F8664E__
2015-12-22FilenNF-PM1
B1=620000, B2=12555000, E=12
2015-12-16AirSquirrelsNF
no factor from 2^74 to 2^75
2015-12-16AirSquirrelsNF
no factor from 2^73 to 2^74
2015-09-03BdotNF
no factor from 2^72 to 2^73
2015-08-18Judge HaleNF
no factor from 2^71 to 2^72
2013-05-18Robert FolzNF
no factor from 2^70 to 2^71
2012-10-24SMoffatNF
no factor from 2^69 to 2^70
2010-10-07JMGarciaNF
no factor from 2^68 to 2^69
2010-10-06-Anonymous-NF
no factor from 2^67 to 2^68
2010-10-01paulieNF
no factor from 2^66 to 2^67
2010-09-26andrea.biancalanaNF
no factor from 2^65 to 2^66
2010-07-07GrunwalderGIMPNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64