Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
81300493Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 675000
B2 = 9281250
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-09-05ATH7CB999F734F6F71A2249055113
Verified2019-11-21ky0uraku7CB999F734F6F71A013
History
DateUserTypeResult
2019-11-21ky0urakuC-PRP
7CB999F734F6F71A
PRP: Verified
PRP without proof (not generated)
2018-09-05ATHC-PRP
7CB999F734F6F71A
PRP: Verified
PRP without proof (not generated)
2017-05-08GrunwalderGIMPNF-PM1
B1=675000, B2=9281250
2016-11-18-Anonymous-NF
no factor from 2^74 to 2^75
2016-11-18-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-19Judge HaleNF
no factor from 2^72 to 2^73
2016-09-19Judge HaleNF
no factor from 2^71 to 2^72
2013-11-08Choi4KANGNF
no factor from 2^70 to 2^71
2013-02-17Sergey NosovNF
no factor from 2^69 to 2^70
2013-02-13OlympusMondsNF
no factor from 2^68 to 2^69
2013-02-13Simon HarrisonNF
no factor from 2^67 to 2^68
2013-01-30phoenicisNF
no factor from 2^66 to 2^67
2012-08-13Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-12Architects CubedNF
no factor from 2^64 to 2^65