Factorial Calculator | Calculate Factorials (n!)

Calculate the factorial of a non-negative integer.

Factorial Calculator
!=

How to use

  • Enter a non-negative integer.
  • The calculator will display the factorial (n!).

About Factorials

The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n.

Formula

n! = n * (n-1) * ... * 1

Features

  • Calculate high-value factorials
  • Instant results

Applications

  • Combinatorics
  • Probability theory
  • Algebra