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
153000031Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 277
P-1
B1 = 2054000
B2 = 125133000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-07-15Mihai PredaF31E89F94A79FFCC013
Verified2020-10-22KrieselF31E89F94A79FFCC1981519813
History
DateUserTypeResult
2022-06-24timbitNF-PM1
B1=2054000, B2=125133000
2020-10-23Simon JosefssonCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-10-22KrieselC-PRP
F31E89F94A79FFCC
PRP proof power = 8
PRP: Verified
Proof certified good
2018-07-15Mihai PredaC-PRP
F31E89F94A79FFCC
PRP: Verified
PRP without proof (not generated)
2018-02-07KrieselNF
no factor from 2^77 to 2^78
2018-02-07KrieselNF
no factor from 2^76 to 2^77
2018-02-06KrieselNF-PM1
B1=1300000, B2=32175000, e=2
2018-02-06KrieselNF
no factor from 2^77 to 2^78
2018-02-06KrieselNF
no factor from 2^76 to 2^77
2018-02-05KrieselNF
no factor from 2^75 to 2^76
2018-02-05KrieselNF
no factor from 2^74 to 2^75
2018-02-05KrieselNF
no factor from 2^73 to 2^74
2010-01-03rudimeierNF
no factor from 2^72 to 2^73
2009-09-30rudimeierNF
no factor from 2^71 to 2^72
2009-08-10rudimeierNF
no factor from 2^70 to 2^71
2009-07-11rudimeierNF
no factor from 2^69 to 2^70
2009-06-28rudimeierNF
no factor from 2^68 to 2^69
2009-06-21rudimeierNF
no factor from 2^67 to 2^68