Another ide's are showing the desired output for all the valid cases

#1

#include
using namespace std;
int main(){
int n,count=0;
cin>>n;
for(int i =2;i<n/2;i++)
{
if(n%i==0){
count=1;

    }else{count=0;}}
     
     if(count==0){cout<<"Prime";
         
     }else{
         cout<<"Not a Prime no.";
     }

return 0;

}

#2

Run your i loop til i<=n/2.
And when the condition if(n%i==0), update count to 1 and simply break out of the loop.

#3

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