Thanks for downloading Prime95 31.06 Build 1

What is Prime95 used for?

Prime95 is used for CPU stress testing and for participating in the search for Mersenne prime numbers.

Is Prime95 safe for my computer?

Yes, but it can generate very high CPU temperatures, so proper cooling and monitoring are recommended.

What is a Torture Test in Prime95?

It is a stress test mode that fully loads the CPU to check system stability and detect errors.

Can Prime95 detect hardware instability?

Yes. It can reveal CPU, memory, or cooling issues by generating computational errors under load.

Do I need internet to use Prime95?

No. It can run offline, but internet is required for participation in the GIMPS project.

Is Prime95 only for overclockers?

No. It is also used for general hardware testing, system validation, and troubleshooting.

Does Prime95 support multi-core CPUs?

Yes. It fully supports modern multi-core and multi-threaded processors.