program for display product of all number form 1 to n

#include<stdio.h>
#include<conio.h>
void main()
 {
 clrscr();
 int i,n,prod=1;
 printf("Enter any limit :-");
 scanf("%d",&n);
 for(i=1;i<=n;i++)
  {
  prod=prod*i;
  }
 printf("Product is => %d",prod);
 getch();
 }