basic

Prime Factorization Calculator

Express a number as a product of primes.

Factor any positive integer into its prime components and list every divisor and the count of distinct prime factors.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Trial division by primes up to √n; whatever remains > 1 is itself prime.

In depth

Factor any positive integer into its prime components and list every divisor and the count of distinct prime factors.