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
112831163Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 515000
B2 = 19028000
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-04-23Ruslan Borisov308342AFE60E9D722024561013
History
DateUserTypeResult
2023-04-23curtiscCERT
PRP Certification
CERT proof power = 10
Proof certified good
2023-04-23Ruslan BorisovC-PRP
308342AFE60E9D72
PRP proof power = 10
PRP: Verified
Proof certified good
2022-03-27Ryan PropperNF-PM1
B1=515000, B2=19028000
2020-12-30arpcarNF
no factor from 2^76 to 2^77
2020-12-01arpcarNF
no factor from 2^75 to 2^76
2020-11-26arpcarNF
no factor from 2^74 to 2^75
2020-08-07ViliamFNF
no factor from 2^73 to 2^74
2015-02-17FredrikNF
no factor from 2^72 to 2^73
2015-02-17FredrikNF
no factor from 2^71 to 2^72
2015-02-17FredrikNF
no factor from 2^70 to 2^71
2015-02-17FredrikNF
no factor from 2^69 to 2^70
2015-02-17FredrikNF
no factor from 2^68 to 2^69
2015-02-17FredrikNF
no factor from 2^67 to 2^68
2014-11-11ANONYMOUSNF
no factor from 2^66 to 2^67
2012-06-02CorbyguyNF
no factor from 2^65 to 2^66
2010-09-28RichardNF
no factor from 2^64 to 2^65
2010-05-10RichardNF
no factor from 2^63 to 2^64