## C Programming

### Program to calculate factorial of a number

#### Objective

Write a program to find the factorial of a number.

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

#### Program / Solution

#include<stdio.h> int main() { int n,i; long f; printf("Enter any number: "); scanf("%d",&n); f = 1; i =1; while(i <= n) { f = f * i; i++; } printf("Factorial of %d = %ld",n,f); return 0; }

#### Sample Output

Enter any number: 5 Factorial of 5 = 120