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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5089499
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
162863969927.3old
23416988478971341.12008-09-30 21:43:40
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk6C237D98ABA44A8D2013
Verified
PRP without proof (not generated)
2018-05-03storm55106C237D98ABA44A8D25106613
History
DateUserTypeResult
2025-01-25Sid & AndyNF-PM1B1=3600000, B2=8647769130
2025-01-23Sid & AndyFFactors: 162863969,2341698847897 / TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-03storm5510C-PRPM5089499/162863969/2341698847897 : 6C237D98ABA44A8D
2017-09-20kkmrkkblmbrbkC-PRPM5089499/162863969/2341698847897 : 6C237D98ABA44A8D
2008-09-30markrFFactor: 2341698847897