C/C++ Program to find a given number is prime(or)composite.

//Program to find a given number is prime(or)composite.
#include<iostream>
using namespace std;
int main()
{
    int a,i,count=0;
    cout<<"\n enter a positive number:";
    cin>>a;
    for(i=1;i<=a;i++)
    {
        if(a%i==0)
          count++;
    }
    if(count==1)
          cout<<"\n 1 is neither Prime nor Composite"<<endl;
    else if(count==2)
        cout<<"\n It is a prime number"<<endl;
    else if(count>2)
        cout<<"\n It is a composite number"<<endl;
return 0;
}
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