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
128311471Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 957000
B2 = 376117350
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-12Luke DurantFCA8BC2975E08127013
History
DateUserTypeResult
2024-08-12Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-12Luke DurantC-PRP
FCA8BC2975E08127
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-26steve_steveNF-PM1
B1=957000, B2=376117350
2023-01-17TravisJankNF
no factor from 2^76 to 2^77
2023-01-17TravisJankNF
no factor from 2^75 to 2^76
2022-12-22SRBaseNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-11-13SRBaseNF
no factor from 2^72 to 2^73
2016-05-23ChikeNF
no factor from 2^71 to 2^72
2016-05-21kevshawNF
no factor from 2^70 to 2^71
2016-05-14-Anonymous-NF
no factor from 2^68 to 2^69
2016-04-10proxy2222NF
no factor from 2^69 to 2^70
2016-02-27proxy2222NF
no factor from 2^68 to 2^69
2015-10-25saffaNF
no factor from 2^67 to 2^68
2015-01-10Jan KuipersNF
no factor from 2^66 to 2^67
2012-10-02RichardNF
no factor from 2^65 to 2^66
2010-11-07Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-29wmjmoellerNF
no factor from 2^63 to 2^64