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:





MnDetails
2442511
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
2795050396796708326732167.92014-01-20 03:43:07
P-1 factors
DateFactorsB1B2
2014-01-20279505039679670832673
117200048000000
ECM
DigitsB1Curves
2550000147 / 280
Estimated T-Level: 22.6
TF below 2^70 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredMarc HoneyC643C38C4EA9D45B0Windows,Prime95,v11,(aka WC)
Factored1999-04-02Michael B. ClarkC643C38C4EA9D45B1154103Windows,Prime95,v17,(aka WT1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-13Oliver KruseCAEF39D621105A79164698053
Verified
PRP without proof (not generated)
2017-11-27storm5510CAEF39D621105A79156075553
History
DateUserTypeResult
2022-03-10LordJuliusNFno factor TF: 1-60
2018-09-28alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-27storm5510C-PRPM2442511/279505039679670832673 : CAEF39D621105A79
2017-10-13Oliver KruseC-PRPM2442511/279505039679670832673 : CAEF39D621105A79
2014-01-20mikrF-PM1Factor: 279505039679670832673
2013-01-23dbaughNFno factor TF: 62-63
2012-06-06Sebastian HornbostelNFno factor TF: 61-62
2011-01-12Oscar ÖstlinNF-PM1B1=95000, B2=1947500, E=6
2010-11-17JossNF-PM1B1=20000
2009-01-15Sturle SundeNFno factor TF: 60-61
2003-10-31Team Prime RibNF-PM1B1=15000, B2=217500
2003-10-14-anonymous-NF-PM1B1=2048, B2=204800
1999-04-02planetmikeC-LLC643C38C4EA9D45B
1999-03-15planetmikeNFno factor TF: 1-59