Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
131856821Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1058000
B2 = 765536310
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-09-19Luke Durant56D51AF3BF9F1D59013
History
DateUserTypeResult
2024-09-19Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-09-19Luke DurantC-PRP
56D51AF3BF9F1D59
PRP proof power = 9
PRP: Verified
Proof certified good
2024-08-20Luke DurantNF-PM1
B1=1058000, B2=765536310
2023-03-31ChuckNF
no factor from 2^76 to 2^77
2023-03-22theojkNF
no factor from 2^75 to 2^76
2022-12-27SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2020-11-23SRBaseNF
no factor from 2^72 to 2^73
2016-01-10PascalBieriNF
no factor from 2^71 to 2^72
2015-12-26PascalBieriNF
no factor from 2^70 to 2^71
2013-01-26VictordeHollanderNF
no factor from 2^69 to 2^70
2012-09-30VictordeHollanderNF
no factor from 2^68 to 2^69
2012-09-30VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-15Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-03sasaki3NF
no factor from 2^63 to 2^64