The 30.3 version of Prime95 is provided as a free download on our software library. You can install this free PC software on Windows XP/Vista/7/8/10 32-bit. Our antivirus analysis shows that this download is safe.
The current installation package available for download requires 6.7 MB of hard disk space. Also the tool is known as "PRIME95 Application". The software is categorized as System Utilities. The most frequent installer filename for the software is: Prime95.exe. This free software was originally produced by Mersenne Prime Search. The most popular versions among Prime95 users are 30.3, 29.8 and 28.5.
From the developer:
Prime95 lets you participate in the Great Internet Mersenne Prime Search. The program uses the computing power of your PC to help in finding of Mersenne prime numbers (a prime number of the form 2^n -1). The latest version is optimized for Intel Haswell series processors (Core i3/i5/i7 4xxx).
You may want to check out more software, such as PCMark04, WebTemp or Nuaire Fan Selector, which might be related to Prime95.