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
82518407Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 700000
B2 = 14175000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-07-13ky0urakuF40A073DEB01CE751045475513
Verified2020-09-18ATHF40A073DEB01CE75013
History
DateUserTypeResult
2020-09-18ATHC-PRP
F40A073DEB01CE75
PRP: Verified
PRP without proof (not generated)
2018-07-13ky0urakuC-PRP
F40A073DEB01CE75
PRP: Verified
PRP without proof (not generated)
2017-07-30bamNF-PM1
B1=700000, B2=14175000, E=6
2016-12-17AirSquirrelsNF
no factor from 2^74 to 2^75
2016-12-17AirSquirrelsNF
no factor from 2^73 to 2^74
2016-11-24Judge HaleNF
no factor from 2^72 to 2^73
2014-01-20ANONYMOUSNF
no factor from 2^71 to 2^72
2013-06-10GrunwalderGIMPNF
no factor from 2^70 to 2^71
2013-02-10James RushworthNF
no factor from 2^69 to 2^70
2013-01-30phoenicisNF
no factor from 2^68 to 2^69
2011-03-28Ake TilanderNF
no factor from 2^67 to 2^68
2011-03-23Torchwood InstituteNF
no factor from 2^66 to 2^67
2011-03-20barny2NF
no factor from 2^65 to 2^66
2010-12-02Architects CubedNF
no factor from 2^64 to 2^65