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Prime95 For Windows

6.030.19 Build 20Security Status
Download (8.4 MB)

About Prime95

Prime95 is a versatile tool designed to test your computer's power and performance through complex mathematical operations. By searching for Mersenne prime numbers, Prime95 pushes your computer's capabilities to the limit, providing valuable insights into its performance. Here are some key features that make Prime95 stand out:

Key Feature

1. Simple Testing Procedure
Prime95 offers a straightforward testing procedure that starts by looking for Mersenne prime numbers and continues until you instruct it to stop. This process consumes a significant amount of memory, ensuring that your computer's performance is thoroughly tested.

2. Customizable Test Types
Depending on the type of test you select at the beginning, Prime95 can be used to evaluate your machine's RAM or processor performance. This flexibility allows you to focus on specific aspects of your computer's capabilities, providing targeted insights into its performance.

3. Efficient Performance Testing
While Prime95 may not have the most attractive interface, it effectively carries out its task of testing your computer's power and performance. Its efficient testing process ensures that you can accurately assess your machine's capabilities.

4. Caution for Older Computers
Users with older computers should exercise caution when using Prime95, as the testing process can significantly slow down a machine with limited resources. However, this potential slowdown serves as a valuable indicator of your computer's limitations and areas for improvement.

5. Optimize Your Computer's Performance
Prime95 is an invaluable tool for identifying areas where your computer's performance can be improved. By pushing your machine to its limits, Prime95 provides insights into how your computer handles demanding tasks, enabling you to make informed decisions about upgrades or optimizations.

In conclusion, Prime95 is a powerful and efficient tool for testing your computer's power and performance through complex mathematical operations. With its simple testing procedure, customizable test types, efficient performance testing, and ability to identify areas for improvement, Prime95 is an essential tool for anyone looking to optimize their computer's performance. Give it a try and gain valuable insights into your machine's capabilities.

Reviewed by Jason A. Bilbrey


Updated onJun 3, 2024

Old Versions

Prime9530.19 Build 20
Jun 3, 2024
Prime9530.19 Build 15
May 7, 2024
All Versions
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Prime95 for PC
Test your computer's performance
30.19 Build 20
Free Downloadfor Windows

How to download and Install Prime95 on Windows PC

  • Click on the Download button to start downloading Prime95 for Windows.
  • Open the .exe installation file in the Downloads folder and double click it.
  • Follow the instructions in the pop-up window to install Prime95 on Windows PC.
  • Now you can open and run Prime95 on Windows PC.