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What’s Math_PrimeNum.exe? Is it safe or a virus?

Math_PrimeNum.exe is a test module within the Intel® Processor Diagnostic Tool (IPDT), developed by Intel Corporation. This executable assesses the processor's ability to compute prime numbers, evaluating both performance and stability under computational load. It supports various instruction sets, including AVX, AVX2, and AVX-512, depending on the processor's capabilities.

If this test fails, it may indicate issues with the CPU's arithmetic logic units or memory subsystem, though failures can also result from outdated drivers or BIOS settings. Updating system drivers and firmware, as well as ensuring optimal BIOS configurations, can help address such issues.

Researched by Laura @ SpyShelter Labs

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More about Math_PrimeNum.exe on WINDOWS

Who makes Math_PrimeNum.exe?

We’ve found Intel Corporation should be the publisher of Math_PrimeNum.exe.

How do we know? Our SpyShelter cybersecurity labs focuses on monitoring different types of Windows PC executables and their behaviors for our popular SpyShelter Antispyware software. Learn more about us, and how our cybersecurity team studies Windows PC executables/processes.

What does it mean if someone is the publisher of a PC .exe (executable or process)?

The publisher of an executable is the entity responsible for its distribution and authenticity. Most processes/executables on your PC should be signed. The signature on the executable should have been verified through a third party whose job it is to make sure the entity is who it says it is. Find an unsigned executable? You should consider scanning any completely unsigned .exe on your PC.

Last updated: April 15, 2025

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Why should you trust us?

Our team at SpyShelter has been studying Windows PC executables for over 15 years, to help fight against spyware, malware, and other threats. SpyShelter has been featured in publications like The Register, PC Magazine, and many others. Now we’re working to share free, actionable, and easy to understand information about Windows executables (processes) with the world, to help as many people as possible keep their devices safe. Learn more about us on our "About SpyShelter” page.

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