Prime Factor Calculator

A quick and easy prime factor calculator to work out the prime factors and product of any number.

Find Prime Factors

How to use

It's really simple. Just type a whole number from 1 to 1000000 into the input on the left and click "Calculate".

The calculator will work out the prime factors for you and also list out the solutions.

Common List of Prime Factors

Below are links to some preset prime factorization calculations to calculations that are commonly searched for: