CHECK FOR PRIME NUMBER

#include<iostream.h>

#include<conio.h>

void main()

{

 clrscr();

 int n, x;

 cout<<"Enter a number :";

 cin>>n;

 for(int i=2; i<=n/2; i++)

  {

   x=n%i;

   if(x==0)

    {

     cout<<"\nNon-prime number";

     i=n+1;

    }

  }

 if(x>0)

  cout<<"\nPrime number";

 getch();

}
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OUTPUT:(click on image to enlarge)