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#include <bits/stdc++.h>
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using namespace std;
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const int N = 10010;
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int T;
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int a[N];
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int n;
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/*
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2
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3
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1 2 4
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5
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1 2 3 4 5
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*/
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bool check() {
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//<2F><><EFBFBD><EFBFBD>a[1]~a[n]<5D><>ÿ<EFBFBD><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// <20><>ǰö<C7B0>ٵ<EFBFBD><D9B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>a[i]
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// <20>жϵ<D0B6>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>a[i]<5D>Dz<EFBFBD><C7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>,<2C><><EFBFBD><EFBFBD>Ҫ<EFBFBD>ܿ<EFBFBD><DCBF>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>Լ<EFBFBD><D4BC>϶<EFBFBD><CFB6><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC>ı<EFBFBD><C4B1><EFBFBD>
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// <09><><EFBFBD><EFBFBD>һȦ<D2BB><EFBFBD><F3A3ACB7><EFBFBD>a[i]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵı<D6B5><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>true
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// <09><><EFBFBD><EFBFBD>һȦ<D2BB><EFBFBD><F3A3ACB7><EFBFBD>a[i]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵı<D6B5><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>i++
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><D6A3><EFBFBD>ô<EFBFBD><C3B4><EFBFBD><EFBFBD>false
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for (int i = 1; i <= n; i++) {
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bool flag = false;//Ĭ<><C4AC>a[i]<5D>Ǻ<EFBFBD><C7BA>õ<EFBFBD>
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for (int j = 1; j <= n; j++) {
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if (a[i] % a[j]) { //a[i]<5D><><EFBFBD><EFBFBD>a[j]<5D>ı<EFBFBD><C4B1><EFBFBD>,ôa[i]<5D>Ǹ<EFBFBD><C7B8><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>a[j]<5D><><EFBFBD>ü<EFBFBD><C3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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flag = true;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м䱻<D0BC><E4B1BB><EFBFBD>ϵģ<CFB5>Ҳ<EFBFBD><D2B2><EFBFBD>Dz<EFBFBD><C7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>a[i]
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break;
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}
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}
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if (!flag)
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return true;
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}
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return false;
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}
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int main() {
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cin >> T;
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while (T--) {
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cin >> n;
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for (int i = 1; i <= n; i++)
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cin >> a[i];
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if (check())
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cout << "YES" << endl;
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else
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cout << "NO" << endl;
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}
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return 0;
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}
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