#include <bits/stdc++.h>

using namespace std;

string ltrim(const string &);
string rtrim(const string &);
vector<string> split(const string &);
const int N=1e6+69;
int sito[N],rep[N],roz[N];
int re(int v) {
    if(v!=rep[v]) rep[v]=re(rep[v]);
    return rep[v];
}
void uni(int a,int b) {
    a=re(a);
    b=re(b);
    if(a==b) return;
    rep[a]=b;
    roz[b]+=roz[a];
}
int solve(vector<int> a) {
    sort(a.begin(),a.end());
    for(int i=0;i<=1e6+9;i++) sito[i]=0;
    for(int i=2;i<=1e3+2;i++) {
        if(sito[i]) continue;
        for(int j=i*i;j<=1e6+3;j+=i) {
            sito[j]=i;
        }
    }
    for(int i=1;i<=1e6+3;i++) rep[i]=i, roz[i]=0;
    for(int i=1;i<=1e6+3;i++) if(sito[i]==0) sito[i]=i;
    while(!a.empty()) {
        int zm=a.back();
        roz[re(zm)]++;
        while(zm!=1) {
            uni(a.back(),sito[zm]);
            zm/=sito[zm];
        }
        a.pop_back();
    }
    vector <int> wyn;
    for(int i=2;i<=1e6+1;i++) {
        if(roz[re(i)]) wyn.push_back(re(i));
    }
    for(int i=0;i<roz[1];i++) {
        wyn.push_back(1e7+i);
    }
    sort(wyn.begin(),wyn.end());
    wyn.resize(distance(wyn.begin(),unique(wyn.begin(),wyn.end())));
    long long wynik=1, mod=1e9+7;
    for(int i=0;i<wyn.size();i++) {
        wynik*=2;
        wynik%=mod;
    }
    wynik-=2;
    if(wynik<0) wynik+=mod;
    return wynik;
}

int main()
{
    ofstream fout(getenv("OUTPUT_PATH"));

    string t_temp;
    getline(cin, t_temp);

    int t = stoi(ltrim(rtrim(t_temp)));

    for (int t_itr = 0; t_itr < t; t_itr++) {
        string a_count_temp;
        getline(cin, a_count_temp);

        int a_count = stoi(ltrim(rtrim(a_count_temp)));

        string a_temp_temp;
        getline(cin, a_temp_temp);

        vector<string> a_temp = split(rtrim(a_temp_temp));

        vector<int> a(a_count);

        for (int i = 0; i < a_count; i++) {
            int a_item = stoi(a_temp[i]);

            a[i] = a_item;
        }

        int result = solve(a);

        fout << result << "\n";
    }

    fout.close();

    return 0;
}

string ltrim(const string &str) {
    string s(str);

    s.erase(
        s.begin(),
        find_if(s.begin(), s.end(), not1(ptr_fun<int, int>(isspace)))
    );

    return s;
}

string rtrim(const string &str) {
    string s(str);

    s.erase(
        find_if(s.rbegin(), s.rend(), not1(ptr_fun<int, int>(isspace))).base(),
        s.end()
    );

    return s;
}

vector<string> split(const string &str) {
    vector<string> tokens;

    string::size_type start = 0;
    string::size_type end = 0;

    while ((end = str.find(" ", start)) != string::npos) {
        tokens.push_back(str.substr(start, end - start));

        start = end + 1;
    }

    tokens.push_back(str.substr(start));

    return tokens;
}