WAP to check that given number is prime or not.

#include<stdio.h>
#include<conio.h>
void main()
{
   int n, c=2;

   printf("Enter a number to check if it is prime\n");
   scanf("%d",&n);

   for(c=2;c<=n-1;c++)
   {
      if(n%c==0)
      {
         printf("%d is not prime.\n",n);
break;
      }
   }
   if(c==n)
      printf("%d is prime.\n",n);

   getch();
}