Prime Factorization Calculator

About the Prime Factorization Calculator

The prime factorization calculator is a simple, efficient online tool that decomposes any integer into a product of prime factors. Enter a positive integer, negative integer, or zero, and the calculator quickly returns the prime factorization as a clear math expression (e.g., 12 = 2 × 2 × 3).

How to Use

1. Enter an integer in the input box.
2. Click the "Calculate" button to get the result.
3. The result appears in the text box below in the format: number = prime factor 1 × prime factor 2 × ...
4. Click the "Copy" button to copy the result.
5. Click the "Example" button to get a random sample number.
6. Click the "Reset" button to clear everything.