/*
このコード、と～おれ!
Be accepted!
∧＿∧　
（｡･ω･｡)つ━☆・*。
⊂　　 ノ 　　　・゜+.
　しーＪ　　　°。+ *´¨)
 　　　　　　　　　.· ´¸.·*´¨) ¸.·*¨)
		  　　　　　　　　　　(¸.·´ (¸.·'* ☆
*/

#include <cstdio>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <numeric>
#include <iostream>
#include <random>
#include <map>
#include <unordered_map>
#include <queue>
#include <regex>
#include <functional>
#include <complex>
#include <list>
#include <cassert>
#include <iomanip>
#include <set>
#include <stack>
#include <bitset>
#include <array>
#include <chrono>

//#pragma GCC target("arch=skylake-avx512")
//#pragma GCC target("avx2")
//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse4")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define repeat(i, n, m) for(int i = n; i < (m); ++i)
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define printynl(a) printf(a ? "yes\n" : "no\n")
#define printyn(a) printf(a ? "Yes\n" : "No\n")
#define printYN(a) printf(a ? "YES\n" : "NO\n")
#define printim(a) printf(a ? "possible\n" : "imposible\n")
#define printdb(a) printf("%.50lf\n", a)
#define printLdb(a) printf("%.50Lf\n", a)
#define printdbd(a) printf("%.16lf\n", a)
#define prints(s) printf("%s\n", s.c_str())
#define all(x) (x).begin(), (x).end()
#define deg_to_rad(deg) (((deg)/360.0L)*2.0L*PI)
#define rad_to_deg(rad) (((rad)/2.0L/PI)*360.0L)
#define Please return
#define AC 0
#define manhattan_dist(a, b, c, d) (abs(a - c) + abs(b - d))

using ll = long long;
using ull = unsigned long long;

constexpr int INF = 1073741823;
constexpr int MINF = -1073741823;
constexpr ll LINF = ll(4661686018427387903);
constexpr ll MOD = 1e9 + 7;
constexpr ll mod = 998244353;
constexpr long double eps = 1e-14;
const long double PI = acosl(-1.0L);

using namespace std;

void scans(string& str) {
	char c;
	str = "";
	scanf("%c", &c);
	if (c == '\n')scanf("%c", &c);
	while (c != '\n' && c != -1 && c != ' ') {
		str += c;
		scanf("%c", &c);
	}
}

void scanc(char& str) {
	char c;
	scanf("%c", &c);
	if (c == -1)return;
	while (c == '\n') {
		scanf("%c", &c);
	}
	str = c;
}

double acot(double x) {
	return PI / 2 - atan(x);
}

ll LSB(ll n) { return (n & (-n)); }

template<typename T>
inline T chmin(T& a, const T& b) {
	if (a > b)a = b;
	return a;
}

template<typename T>
inline T chmax(T& a, const T& b) {
	if (a < b)a = b;
	return a;
}


//cpp_int
#if __has_include(<boost/multiprecision/cpp_int.hpp>)
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using namespace boost::multiprecision;
#else
using cpp_int = ll;
#endif

//atcoder library
#if __has_include(<atcoder/all>)
#include <atcoder/all>
//using namespace atcoder;
#endif

/*
	random_device seed_gen;
	mt19937 engine(seed_gen());
	uniform_int_distribution dist(1, 100);
*/


/*----------------------------------------------------------------------------------*/

/*
  The implementation of Rho Method with C++
  varified with NTL_1_A

  http://joisino.hatenablog.com/entry/2017/08/03/210000

  Copyright (c) 2017 joisino
  Released under the MIT license
  http://opensource.org/licenses/mit-license.php
 */

struct Miller {
    const vector<long long> v = { 2 , 7 , 61 }; // < 4,759,123,141
    // x^k (mod m)
    long long modpow(long long x, long long k, long long m) {
        long long res = 1;
        while (k) {
            if (k & 1) {
                res = res * x % m;
            }
            k /= 2;
            x = x * x % m;
        }
        return res;
    }
    // check if n is prime
    bool check(long long n) {
        if (n < 2) {
            return false;
        }
        long long d = n - 1;
        long long s = 0;
        while (d % 2 == 0) {
            d /= 2;
            s++;
        }
        for (long long a : v) {
            if (a == n) {
                return true;
            }
            if (modpow(a, d, n) != 1) {
                bool ok = true;
                for (long long r = 0; r < s; r++) {
                    if (modpow(a, d * (1LL << r), n) == n - 1) {
                        ok = false;
                        break;
                    }
                }
                if (ok) {
                    return false;
                }
            }
        }
        return true;
    }
};

struct Rho {
    mt19937 mt;
    Miller miller;
    long long c;
    Rho() {
        mt.seed(clock());
    }
    inline long long f(long long x, long long n) {
        return (x * x + c) % n;
    }
    long long check(long long n) {
        if (n == 4) {
            return 2;
        }
        c = mt() % n;
        long long x = mt() % n;
        long long y = x;
        long long d = 1;
        while (d == 1) {
            x = f(x, n);
            y = f(f(y, n), n);
            d = gcd(abs(x - y), n);
        }
        if (d == n) {
            return -1;
        }
        return d;
    }
    vector<long long> factor(long long n) {
        if (n <= 1) {
            return {};
        }
        if (miller.check(n)) {
            return { n };
        }
        long long res = -1;
        while (res == -1) {
            res = check(n);
        }
        vector<long long> fa = factor(res);
        vector<long long> fb = factor(n / res);
        fa.insert(fa.end(), fb.begin(), fb.end());
        return fa;
    }
};

Rho rho;

random_device seed_gen;
mt19937 engine(seed_gen());
uniform_int_distribution dist(1ll, (ll)1e18);

int main() {

	int t;
	scanf("%d", &t);
    map<ll, int> hash;
	while (t--) {
		int n;
		scanf("%d", &n);
		vector<ll> a(n);
        ll x = 0;
        rep(i, n) {
            scanf("%lld", &a[i]);
            vector<ll> d = rho.factor(a[i]);
            sort(all(d));
            for (const auto& aa : d) {
                if (not hash[aa])hash[aa] = dist(engine);
                x ^= hash[aa];
            }
        }
        printyn(x == 0);
	}

	Please AC;
}