Factorial Calculator

Free online factorial calculator.

Enter the non negative integer number (n) and press the = button:

!
Result:
Calculation:

The factorial formula is:

n! = 1⋅2⋅3⋅4⋅...⋅n

For example:

3! = 1⋅2⋅3 = 6

4! = 1⋅2⋅3⋅4 = 24

5! = 1⋅2⋅3⋅4⋅5 = 120

 


See also

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