Factorial of Number
Factorial of a number in mathematics is the product of all the positive numbers less than or equal to a number.
The multiplication happens to a given number down to the number one or till the number one is reached.
Example: Factorial of n is n! and the value of n! is n! = n × (n−1) × (n−2) ×………× 1.
GFact | Why Factorial of 0 is 1?
Have you ever thought about why the factorial of 0 is 1? If yes then here you can find the justification for the same.
why factorial of 0(0!) is 1?