why is it showing wrong answer?

include<iostream>

using namespace std; int main() { int count,div,i,t; long long int n; cin>>t; while(t>0) {

div=5;
count=0;
cin>>n;
for(i=1;i<div;i++)
{
    count+=n/div;
    div=div*5;
}
cout<<count<<endl;;
t--;
}

}