C program to find Factorial of a number

C program : How to find factorial of a number 

#include<stdio.h>

int main(){

  int i=1,f=1,num;

  printf("Enter a number: ");

  scanf("%d",&num);

  while(i<=num){

      f=f*i;

      i++;

  }

  printf("Factorial of %d is: %d",num,f);

  return 0;

}

Output: