Download installer for
Prime Factors 15.0![]()
Downloading the installation program for Prime Factors is different on Windows 10/11 than on Windows 7.In Windows 7 click on this download link and save the file to somewhere on your computer where you can find it again
In Windows 10/11, click on this download link. Then a window opens; click on Save File to save the installation program to the Downloads folder on your PC. Open File Explorer and change to the Downloads folder.
Then (in both Windows 7 and 10/11) double-click on the installation program (prf150_setup.exe) to install the program itself.
If any problem email support@hermetic.ch.
After installation you can run the program by means of your Start menu. (An uninstall facility is provided in case you wish to remove the program.)
Additional software is to be seen at the home page of this website.
The MD5 message digest for the installation program prf150_setup.exe is
6F 55 E3 A9 51 E5 5D 6A 42 62 6F 86 55 24 76 CA
and its size is 2,791,538 bytes (2,726.11 KB).