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Download for Prime95:

File size:
5.15 MB
File name:
File version:
Last modified:
Nov 15, 2017
Download mirrors:
Virus/malware test:
Operating system:
Windows x32 / x64
Software rating:
4 / 5

Download locations for Prime95:

Notes about this download:

  • Tested to be virus-free[Tested with 28 programs]
  • No installers or download managers
  • Trust: 94 / 100 [Trusted - High confidence]
  • Download link works [Code: 200]
  • Hosted in the United States

An extensive CPU stress test diagnostic which searches for prime numbers

All files are in their original form. does not modify or wrap any download with download managers, custom installers or third party adware.

This prime number software download is currently available as version 29.4. Compatibility may vary, but generally runs on Microsoft Windows systems. Prime95 has been tested for viruses, please refer to the tests on the "Virus Tests" page. It is published by Mersenne Research.