Windows Factoring Software Binaries
(64bit & 32bit)

by Jeff Gilchrist
Jeff's E-mail Address

Last Updated: January 22, 2023

This page has links to Windows binaries of various Factoring software. Some benchmarking information is provided on the Benchmarking Page.

Note: You may need to download and install a Microsoft Visual C++ Redistributable Package if the application does not work when you try to run it. You may need the Visual C++ 2015 Redistributable Package (vcomp140.dll), Visual C++ 2013 Redistributable Package (vcomp120.dll), Visual C++ 2012 Redistributable Package (vcomp110.dll), or the Visual C++ 2010 Redistributable Package for 32bit or 64bit software. For software compiled in 2009, download the Visual C++ 2008 Redistributable Package for 32bit or 64bit software.
For the latest binaries of many different factoring/prime/sieving tools check out the Mersenne.ca download mirror.

GGNFS - Number Field Sieve (GNFS/SNFS)
 GMP-ECM - Elliptic Curve Method (ECM), P-1, P+1
NOTE: You may need to install cudart64_80.dll on your system if not already present.  This file can be found in the CUDA SDK from NVIDA and can be copied into your gmp-ecm folder.

MSIEVE - Self-Initializing Quadratic Sieve (SIQS) and Number Field Sieve (GNFS/SNFS) NOTE: You may need to install cudart64_80.dll on your system if not already present.  This file can be found in the CUDA SDK from NVIDA and can be copied into your msieve folder.

YAFU - Quadratic Sieves (SIQS/MPQS/QS), Elliptic Curve Method (ECM), P-1, P+1, Squfof, Rho, and Fast Sieve of Eratosthenes

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