ASSIGNMENT : 3 - I (Prime no. USING while LOOP)

//            SEAT NO. :

//            ASSIGNMENT  :  3 - I (USING while LOOP)

//            PROGRAM  TO FIND OUT NO IS PRIME OR NOT USING while LOOP

#include<iostream.h>

#include<conio.h>

int main()

{

                int no;

                int is_prime = 1;

                clrscr();

                cout<<"\n Enter any no. : ";

                cin>>no;

                int temp=no/2;

                int i=2;

                while(i <= temp)

                {

                                if(no%i == 0)

                                {

                                                is_prime = 0;

                                                break;

                                }

                                i++;

                }

                if(is_prime == 1)

                {

                                cout<<"\n "<<no<<" is a prime no.";

                }

                else

                {

                                cout<<"\n "<<no<<" is not a prime no.";

                }

                getch();

                return 0;

}