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
81298801Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 720000
B2 = 14580000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-09-07Mihai Preda808E2991091B68E92192146113
Verified2019-12-28ky0uraku808E2991091B68E93893057313
History
DateUserTypeResult
2019-12-28ky0urakuC-PRP
808E2991091B68E9
PRP: Verified
PRP without proof (not generated)
2018-09-07Mihai PredaC-PRP
808E2991091B68E9
PRP: Verified
PRP without proof (not generated)
2017-08-05supercatNF-PM1
B1=680000, B2=12920000
2017-07-21Architects CubedNF-PM1
B1=720000, B2=14580000, E=6
2016-09-02AirSquirrelsNF
no factor from 2^74 to 2^75
2016-09-02AirSquirrelsNF
no factor from 2^73 to 2^74
2016-09-02AirSquirrelsNF
no factor from 2^72 to 2^73
2016-09-02AirSquirrelsNF
no factor from 2^71 to 2^72
2013-06-12Choi4KANGNF
no factor from 2^70 to 2^71
2011-03-09firejugglerNF
no factor from 2^69 to 2^70
2011-03-07-Anonymous-NF
no factor from 2^68 to 2^69
2011-03-01-Anonymous-NF
no factor from 2^67 to 2^68
2011-02-23searchingforprimesNF
no factor from 2^66 to 2^67
2011-02-20WizzardNF
no factor from 2^65 to 2^66
2010-11-28Architects CubedNF
no factor from 2^64 to 2^65