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:





MnDetails
2496911
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
4993823722.3old
312952837096011444.82008-09-07 10:06:19
35330451937595111651.62014-07-07 11:26:47
31583872651407373783132271.42023-12-19 16:56:43
ECM
DigitsB1Curves
2550000101 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-10-14Oliver Kruse754234D3E3E323A83112781153
Factored
PRP without proof (not generated)
2017-11-30storm5510754234D3E3E323A83160912953
Verified
Certified Good
2023-12-19Naegi Makoto754234D3E3E323A84229071953
History
DateUserTypeResult
2023-12-19cswigerCERT
Proof certified good
2023-12-19Naegi MakotoC-PRPM2496911/4993823/31295283709601/3533045193759511/3158387265140737378313 : 754234D3E3E323A8
Proof Certified Good

Proof Power: 7

2023-12-19Naegi MakotoF-ECMFactor: 3158387265140737378313 / ECM curve 55, B1=50000, B2=45039225, Montgomery Sigma=6483760306743080
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-30storm5510C-PRPM2496911/4993823/31295283709601/3533045193759511 : 754234D3E3E323A8
2017-10-14Oliver KruseC-PRPM2496911/4993823/31295283709601/3533045193759511 : 754234D3E3E323A8
2014-07-07TJAOIFFactor: 3533045193759511
2008-09-07Will EdgingtonFFactor: 31295283709601