Number which are only divided by 1 or itself is said to be a Prime Number

#include <iostream>
using namespace std;
int main()
{
int i,r=0,s=0;
int n = 5; //Change your Number here
for(i=2;i<n;i++)
{
s=n%i;
if(s==0){
r=1;
break;
}
}
if(r==0){
cout<<n<<" is prime number";
}
else{
cout<<n<<" is not prime number";
}
return 0;
}

## Output :

5 is prime number

## Comments :