#include <stdio.h>
#include <conio.h>
void main()
{
    int n=0, i=2, flag=0;
    printf("enter the no");
    scanf("%d",&n);
     while(i<n)
       {
          if(n%i==0)
             {
                 flag=1;
                 break;
              }
          i++;
       }
     if(flag==0) 
      printf("the given number is prime no");
     else
      printf("the given number is not prime no");
}