Factorial Calculator

About Factorial:

A factorial is a mathematical function that multiplies a given number by every single number below it. It is often utilized to calculate the number of ways variable "n" can be arranged.


Example

5! = 5 * 4 * 3 * 2 * 1

5! = 120


The factorial n! showcases the number of permutations for an object. For example:

2 factorial is 2! = 2 x 1 = 2

  • {1, 2}

3 factorial is 3! = 3 x 2 x 1 = 6

  • {1, 2, 3}, {1, 3, 2}, {2, 1, 3}, {2, 3, 1}, {3, 1, 2}, {3, 2, 1}

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