Prime_Composite

/*

program to check entered number is prime or composite....
 
*/

#include<iostream.h>
 #include<conio.h>
 void main()
 {
 int n,i=2,a=0;
 clrscr();
 cout<<"Enter th number=";
 cin>>n;
 for(;i<n;i++)
 {
 if(n%i==0)
 a=1;
 break;
 }
 if(a==0)
 cout<<"Entered no. is prime";
 else
 cout<<"Entered no.is composite";
 getch();
 }