C program to Calculate Factorial of a Number Using ...

#include<stdio.h>

#include<conio.h>

void main()

{

int a,f=1,i;

clrscr();

printf("Factorial i : ");

scanf("%d",&i);

for(a=1;a<=i;a++)

{

f=f*a;

}

printf("ANS %d = %d ",i,f);

getch();

}

Output:

Factorial i : 3

ANS 3 = 6