Factorial Calculator

Calculate the factorial of any non-negative integer (n!).

Number (n)

Enter a non-negative integer (0-170)

How to use

Enter a non-negative integer (0 to 170).

The calculator will compute n! = n × (n-1) × ... × 2 × 1

0! = 1 by definition.

Calculate the factorial of any non-negative integer (n!).

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