C++ Program to check no is prime or not prime using class

Program -

#include<iostream.h>

#include<conio.h>

class abc

{

int n;

public:

abc(int c)

{

n=c;

}

void print();

};

void abc::print()

{

int i;

if(n==1)

{

cout<<"not prime";

return;

}

for(i=2;i<=n/2;i++)

if(n%i==0)

{

cout<<"not prime";

return;

}

cout<<"number is prime";

}

void main()

{

int n;

clrscr();

cout<<"enter the number:";

cin>>n;

abc a(n);

a.print();

getch();

}

Output - 

enter the number:3

number is prime