#include <iostream>
#include <algorithm>
#include <string>
#define endl "\n"
#define INT long long int


using namespace std;
int main() {
    ios::sync_with_stdio(false);
    int T,a, b, n, t,i;
    cin >> T;
    while(T--){
        cin >> n;
        cin >> a;
        t = 0;
        for(i=1;i<n;i++){
            cin >> b;
            if(a!=b) t = 1;
        }
        if(t==1) cout << "1" <<endl;
        else cout << n <<endl;
    }
}