program to find even or odd number, prime number or not

Write a program that will find out whether the given number is even or odd. If odd number then whether it is prime or not.

PROGRAM:

#include <iostream.h>

#include <conio.h>

void main() {

clrscr();

int num,flag=0;

cout<<"Enter the number to find odd or even: ";

cin>>num;

if((num%2)==0) {

cout<<num<<" is even\n";

}//end of if

else {

cout<<num<<" is odd\n";

for(int i=3;i<=7;i+=2) {

if(num%i==0){

flag=1;

break;

}

}//end of for

if(flag==1)

cout<<num<<" is not a prime number\n";

else

cout<<num<<" is a prime number\n";



}//end of else

getch();

}//end of the program