    import java.util.*;
    import java.io.*;
    import java.math.*;
     
    public class Main {
        static PrintWriter out;
        static Reader in;
        public static void main(String[] args) throws IOException {
            //out = new PrintWriter(new File("out.txt"));
            //PrintWriter out = new PrintWriter(System.out);
            //in = new Reader(new FileInputStream("in.txt"));
            //Reader in = new Reader();
            input_output();
            Main solver = new Main();
            solver.solve();
            out.flush();
            out.close();
     
        }
     
        static long INF = (long)1e16;
        static int maxn = (int)1e6+1000;
        static int mod=(int)1e9+7 ;
        static int n, m, q, k, t;
     
        void solve() throws IOException{
            t = in.nextInt();
            
            while (t --> 0) {
                n = in.nextInt();
                
                int[] arr = new int[n];
                for (int i = 0; i < n; i++) arr[i] = in.nextInt();
                int GCD = 0;
                
                boolean[] vis = new boolean[n];
                int max = 0, id = 0;
                for (int i = 0; i < n; i++) {
                    max = 0;
                    for (int j = 0; j < n; j++) {
                        if (vis[j]) continue;
                        if (gcd(GCD, arr[j]) > max) {
                            max = gcd(GCD, arr[j]);
                            id = j;
                        }
                    }
                    
                    vis[id] = true;
                    GCD = gcd(GCD, arr[id]);
                    out.print(arr[id]+" ");
                }
                out.println();
                
            }
        }
     
        //<>
        
        static int gcd(int x, int y) {
            if (x==0) return y;
            if (y==0) return x;
            return gcd(y%x, x);
        }

        static class Reader {
     
            private InputStream mIs;
            private byte[] buf = new byte[1024];
            private int curChar;
            private int numChars;
        
            public Reader() {
                this(System.in);
            }
        
            public Reader(InputStream is) {
                mIs = is;
            }
        
            public int read() {
                if (numChars == -1) {
                    throw new InputMismatchException();
        
            }
                if (curChar >= numChars) {
                    curChar = 0;
                    try {
                        numChars = mIs.read(buf);
                    } catch (IOException e) {
                        throw new InputMismatchException();
                    }
                    if (numChars <= 0) {
                        return -1;
                    }
                }
                return buf[curChar++];
            }
        
            public String nextLine() {
                int c = read();
                while (isSpaceChar(c)) {
                    c = read();
                }
                StringBuilder res = new StringBuilder();
                do {
                    res.appendCodePoint(c);
                    c = read();
                } while (!isEndOfLine(c));
                return res.toString();
            }
        
            public String next() {
                int c = read();
                while (isSpaceChar(c)) {
                    c = read();
                }
                StringBuilder res = new StringBuilder();
                do {
                    res.appendCodePoint(c);
                    c = read();
                } while (!isSpaceChar(c));
                return res.toString();
            }
        
            double nextDouble()
            {
                return Double.parseDouble(next());
            }
        
            public long nextLong() {
                int c = read();
                while (isSpaceChar(c)) {
                    c = read();
                }
                int sgn = 1;
                if (c == '-') {
                    sgn = -1;
                    c = read();
                }
                long res = 0;
                do {
                    if (c < '0' || c > '9') {
                        throw new InputMismatchException();
                    }
                    res *= 10;
                    res += c - '0';
                    c = read();
                } while (!isSpaceChar(c));
                return res * sgn;
            }
        
            public int nextInt() {
                int c = read();
                while (isSpaceChar(c)) {
                    c = read();
                }
                int sgn = 1;
                if (c == '-') {
                    sgn = -1;
                    c = read();
                }
                int res = 0;
                do {
                    if (c < '0' || c > '9') {
                        throw new InputMismatchException();
                    }
                    res *= 10;
                    res += c - '0';
                    c = read();
                } while (!isSpaceChar(c));
                return res * sgn;
            }
        
            public boolean isSpaceChar(int c) {
                return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
            }
        
            public boolean isEndOfLine(int c) {
                return c == '\n' || c == '\r' || c == -1;
            }
     
        }
        static void input_output() throws IOException {
            File f = new File("in.txt");
            if(f.exists() && !f.isDirectory()) { 
                in = new Reader(new FileInputStream("in.txt"));
            } else in = new Reader();
            f = new File("out.txt");
            if(f.exists() && !f.isDirectory()) {
                out = new PrintWriter(new File("out.txt"));
            } else out = new PrintWriter(System.out);
        }
    }