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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
85935389Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 690000
B2 = 13627500
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-09-01ky0urakuAFB3B31C6BD3EACB3431229813
Verified2019-10-08WRAFB3B31C6BD3EACB6550523613
History
DateUserTypeResult
2019-10-08WRC-PRP
AFB3B31C6BD3EACB
PRP: Verified
PRP without proof (not generated)
2019-09-01ky0urakuC-PRP
AFB3B31C6BD3EACB
PRP: Verified
PRP without proof (not generated)
2018-02-18TheJudgerNF-PM1
B1=690000, B2=13627500, E=12
2017-10-22TheJudgerNF
no factor from 2^75 to 2^76
2017-10-15TheJudgerNF
no factor from 2^74 to 2^75
2017-04-27RichD0NF
no factor from 2^73 to 2^74
2017-03-18Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-01-21SMoffatNF
no factor from 2^71 to 2^72
2013-07-20Fabrice BelletNF
no factor from 2^70 to 2^71
2013-06-21SMoffatNF
no factor from 2^69 to 2^70
2013-06-19SMoffatNF
no factor from 2^68 to 2^69
2013-06-16SMoffatNF
no factor from 2^67 to 2^68
2013-06-15SMoffatNF
no factor from 2^66 to 2^67
2013-02-27Juergen KampmeierNF
no factor from 2^65 to 2^66
2010-12-25Architects CubedNF
no factor from 2^64 to 2^65