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
85914823Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 695000
B2 = 13726250
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-07-15ky0urakuC890DECBA25A34FD7551144713
Verified2022-08-10ATHC890DECBA25A34FD013
History
DateUserTypeResult
2022-08-10lozcsCERT
PRP Certification
CERT proof power = 8
Proof certified good
2022-08-10ATHC-PRP
C890DECBA25A34FD
PRP proof power = 8
PRP: Verified
Proof certified good
2019-07-15ky0urakuC-PRP
C890DECBA25A34FD
PRP: Verified
PRP without proof (not generated)
2018-02-18TheJudgerNF-PM1
B1=695000, B2=13726250, E=12
2017-10-15TheJudgerNF
no factor from 2^75 to 2^76
2017-10-15TheJudgerNF
no factor from 2^74 to 2^75
2017-05-05-Anonymous-NF
no factor from 2^73 to 2^74
2017-03-16Judge HaleNF
no factor from 2^72 to 2^73
2017-03-16Judge HaleNF
no factor from 2^71 to 2^72
2014-11-29PascalBieriNF
no factor from 2^70 to 2^71
2013-09-06SMoffatNF
no factor from 2^69 to 2^70
2013-09-04Per JessenNF
no factor from 2^68 to 2^69
2013-08-28Per JessenNF
no factor from 2^67 to 2^68
2013-08-20Per JessenNF
no factor from 2^66 to 2^67
2013-04-27c10ck3rNF
no factor from 2^65 to 2^66
2010-11-28Architects CubedNF
no factor from 2^64 to 2^65