#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ull unsigned long long
#define vi vector<int>
#define vc vector<char>
#define vs vector<string>
#define vb vector<bool>
#define vpii vector<pair<int, int>>
#define vpic vector<pair<int, char>>
#define vpis vector<pair<int, string>>
#define vvi vector<vector<int>>
#define pb push_back
#define pii pair<int, int>
#define rep(i, s, e) for (int i = (s); i < (e); i++)
#define all(x) x.begin(), x.end()
#define fastio ios::sync_with_stdio(false); cin.tie(0);
#define MOD 1000000007

signed main() {
    fastio
    int t;
    cin >> t;
    while(t--) {
        int n;
        cin >> n;
        vi a(n);
        rep(i, 0, n) cin >> a[i];
        int mini = *min_element(all(a));
        int cnt = 0;
        bool chk = true;
        rep(i, 0, n) {
            if(a[i] == mini) {
                cnt++;
                continue;
            }
            if(a[i]%mini != 0) {
                chk = false; break;
            }
        }
        if(!chk) {
            cout << n << endl;
        } else {
            int ans = n-cnt;
            cout << ans << endl;
        }
    }
}