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Factorial (n!) Calculator

Factorial (n!) Calculator


What is a factorial?

A factorial is the total of all the integers (whole numbers) from 1 until (and including) the number multiplied together.
The factorial of 3 (also written as 3!) would be 1 x 2 x 3 (for a total of 6) while the factorial of 10 would be 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 (for a total of 3,628,800).

How are factorials calculated?

Factorials are calculated by multiplying all the previous positive integers together – The factorial of 3 (1 x 2 x 3 = 6) is the multiplication of all previous integers together.