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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
74518061Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12090000
LL
StatusDateUserResidueShift
Unverified2016-07-04Matthew Neu260577518DD996__29325861
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-11-28Luke DurantDD2D82E69C0E3B37013
History
DateUserTypeResult
2024-11-28Sparky70CERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-11-28Luke DurantC-PRP
DD2D82E69C0E3B37
PRP proof power = 9
PRP: Verified
Proof certified good
2016-07-04Matthew NeuC-LL
260577518DD996__
2016-04-01Mark RoseNF
no factor from 2^57 to 2^64
2016-03-02monstNF-PM1
B1=620000, B2=12090000, E=6
2016-02-15AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-14AirSquirrelsNF
no factor from 2^73 to 2^74
2015-10-17BdotNF
no factor from 2^72 to 2^73
2015-08-22ChuckNF
no factor from 2^71 to 2^72
2013-12-09ANONYMOUSNF
no factor from 2^70 to 2^71
2013-05-13Lukin DmitryNF
no factor from 2^69 to 2^70
2010-07-11Bold_SeekerNF
no factor from 2^68 to 2^69
2010-07-10Los Alcoholicos~jpiwfNF
no factor from 2^67 to 2^68
2010-07-09Los Alcoholicos~jpiwfNF
no factor from 2^66 to 2^67
2010-07-08soundcolorNF
no factor from 2^65 to 2^66
2010-07-08Aldo_GridNF
no factor from 2^64 to 2^65