Factorial Calculator
What is a Factorial?
The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n.
For example, 5! = 5 × 4 × 3 × 2 × 1 = 120
By definition, 0! = 1
The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n.
For example, 5! = 5 × 4 × 3 × 2 × 1 = 120
By definition, 0! = 1