Program in C to find that number is prime or not (7,11,13,17,19 etc.)

Write a program in C to find that number is prime or not (7,11,13,17,19 etc.)

#include <stdio.h>

#include <conio.h>

void main ()

{

          int no,i=2;

          clrscr ();

          printf ("Enter Number: ");

          scanf ("%d",&no);

          while (i<=no)

          {

                   if (no%i==0)

                             break;

                   i++;

          }

          if (i==no)

                   printf ("Number is Prime");

          else

                   printf ("Number is not Prime");

          getch ();

}