import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class B {
    InputStream is;
    PrintWriter out;
    String INPUT = "";
    
    void solve()
    {
        int[] lpf = enumLowestPrimeFactors(1000005);
        for(int T = ni();T > 0;T--){
            int n = ni();
            int[] a = na(n);
            DJSet ds = new DJSet(n+1000001);
            for(int i = 0;i < n;i++){
                int v = a[i];
                int[] rs = roughFactorFast(v, lpf);
                for(int r : rs){
                    ds.union(i, n+r);
                }
            }
            boolean[] mark = new boolean[n+1000001];
            long ret = 1;
            int mod = 1000000007;
            for(int i = 0;i < n;i++){
                if(!mark[ds.root(i)]){
                    mark[ds.root(i)] = true;
                    ret = ret * 2 % mod;
                }
            }
            out.println((ret+mod-2)%mod);
        }
    }
    
    public static class DJSet {
        public int[] upper;

        public DJSet(int n) {
            upper = new int[n];
            Arrays.fill(upper, -1);
        }

        public int root(int x) {
            return upper[x] < 0 ? x : (upper[x] = root(upper[x]));
        }

        public boolean equiv(int x, int y) {
            return root(x) == root(y);
        }

        public boolean union(int x, int y) {
            x = root(x);
            y = root(y);
            if (x != y) {
                if (upper[y] < upper[x]) {
                    int d = x;
                    x = y;
                    y = d;
                }
                upper[x] += upper[y];
                upper[y] = x;
            }
            return x == y;
        }

        public int count() {
            int ct = 0;
            for (int u : upper)
                if (u < 0)
                    ct++;
            return ct;
        }
    }

    
    public static int[] roughFactorFast(int n, int[] lpf)
    {
        int[] rf = new int[9];
        int q = 0;
        int pre = -1;
        while(lpf[n] > 0){
            int p = lpf[n];
            if(q == 0 || p != pre){
                rf[q++] = p;
                pre = p;
            }else{
//                rf[q-1] *= p;
            }
            n /= p;
        }
        return Arrays.copyOf(rf, q);
    }


    
    public static int[] enumLowestPrimeFactors(int n) {
        int tot = 0;
        int[] lpf = new int[n + 1];
        int u = n + 32;
        double lu = Math.log(u);
        int[] primes = new int[(int) (u / lu + u / lu / lu * 1.5)];
        for (int i = 2; i <= n; i++)
            lpf[i] = i;
        for (int p = 2; p <= n; p++) {
            if (lpf[p] == p)
                primes[tot++] = p;
            int tmp;
            for (int i = 0; i < tot && primes[i] <= lpf[p] && (tmp = primes[i] * p) <= n; i++) {
                lpf[tmp] = primes[i];
            }
        }
        return lpf;
    }

    
    
    void run() throws Exception
    {
        is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
        out = new PrintWriter(System.out);
        
        long s = System.currentTimeMillis();
        solve();
        out.flush();
        if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
    }
    
    public static void main(String[] args) throws Exception { new B().run(); }
    
    private byte[] inbuf = new byte[1024];
    public int lenbuf = 0, ptrbuf = 0;
    
    private int readByte()
    {
        if(lenbuf == -1)throw new InputMismatchException();
        if(ptrbuf >= lenbuf){
            ptrbuf = 0;
            try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
            if(lenbuf <= 0)return -1;
        }
        return inbuf[ptrbuf++];
    }
    
    private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
    private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
    
    private double nd() { return Double.parseDouble(ns()); }
    private char nc() { return (char)skip(); }
    
    private String ns()
    {
        int b = skip();
        StringBuilder sb = new StringBuilder();
        while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    
    private char[] ns(int n)
    {
        char[] buf = new char[n];
        int b = skip(), p = 0;
        while(p < n && !(isSpaceChar(b))){
            buf[p++] = (char)b;
            b = readByte();
        }
        return n == p ? buf : Arrays.copyOf(buf, p);
    }
    
    private char[][] nm(int n, int m)
    {
        char[][] map = new char[n][];
        for(int i = 0;i < n;i++)map[i] = ns(m);
        return map;
    }
    
    private int[] na(int n)
    {
        int[] a = new int[n];
        for(int i = 0;i < n;i++)a[i] = ni();
        return a;
    }
    
    private int ni()
    {
        int num = 0, b;
        boolean minus = false;
        while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if(b == '-'){
            minus = true;
            b = readByte();
        }
        
        while(true){
            if(b >= '0' && b <= '9'){
                num = num * 10 + (b - '0');
            }else{
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    
    private long nl()
    {
        long num = 0;
        int b;
        boolean minus = false;
        while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
        if(b == '-'){
            minus = true;
            b = readByte();
        }
        
        while(true){
            if(b >= '0' && b <= '9'){
                num = num * 10 + (b - '0');
            }else{
                return minus ? -num : num;
            }
            b = readByte();
        }
    }
    
    private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}