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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
85198469Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 685000
B2 = 13528750
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-05-15ky0urakuF2A87C592D6E3B1D7282493813
Verified2022-03-18ATHF2A87C592D6E3B1D013
History
DateUserTypeResult
2022-03-18istvan.baksaCERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-03-18ATHC-PRP
F2A87C592D6E3B1D
PRP proof power = 8
PRP: Verified
Proof certified good
2019-05-15ky0urakuC-PRP
F2A87C592D6E3B1D
PRP: Verified
PRP without proof (not generated)
2019-04-28ATHNF
no factor from 2^63 to 2^64
2019-04-28ATHNF
no factor from 2^1 to 2^63
2018-01-07TheJudgerNF-PM1
B1=685000, B2=13528750, E=12
2017-08-13TheJudgerNF
no factor from 2^75 to 2^76
2017-08-13TheJudgerNF
no factor from 2^74 to 2^75
2017-04-19-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-24Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-01-19S04803NF
no factor from 2^71 to 2^72
2013-06-29willmoreNF
no factor from 2^70 to 2^71
2013-03-15frmarNF
no factor from 2^69 to 2^70
2013-03-11frmarNF
no factor from 2^68 to 2^69
2013-03-07g0bNF
no factor from 2^67 to 2^68
2013-03-06SMoffatNF
no factor from 2^66 to 2^67
2013-03-05wangyun183NF
no factor from 2^65 to 2^66
2010-11-25Architects CubedNF
no factor from 2^64 to 2^65