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
80741867Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 680000
B2 = 13770000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-03-25Koekie2533CCB741180B3A2555109113
Verified2019-09-19ky0uraku2533CCB741180B3A7512690213
History
DateUserTypeResult
2019-09-19ky0urakuC-PRP
2533CCB741180B3A
PRP: Verified
PRP without proof (not generated)
2018-03-25KoekieC-PRP
2533CCB741180B3A
PRP: Verified
PRP without proof (not generated)
2017-02-20arnaudNF-PM1
B1=680000, B2=13770000, E=6
2016-10-29Tim SorberaNF
no factor from 2^74 to 2^75
2016-10-25Judge HaleNF
no factor from 2^73 to 2^74
2016-09-11Judge HaleNF
no factor from 2^72 to 2^73
2016-09-11Judge HaleNF
no factor from 2^71 to 2^72
2013-11-04g0bNF
no factor from 2^70 to 2^71
2012-04-16sikafarmi_rendering_farmNF
no factor from 2^69 to 2^70
2011-03-01-Anonymous-NF
no factor from 2^68 to 2^69
2011-02-22-Anonymous-NF
no factor from 2^67 to 2^68
2011-02-21Leo AielloNF
no factor from 2^66 to 2^67
2011-02-15riccardo ubertiNF
no factor from 2^65 to 2^66
2010-12-11Architects CubedNF
no factor from 2^64 to 2^65