
#------------------------------warmup----------------------------
# *******************************
# * AUTHOR:  RAJDEEP GHOSH      *   
# * NICK  :  Rajdeep2k          *  
# * INSTITUTION: IIEST, SHIBPUR *
# *******************************
import os
import sys
from io import BytesIO, IOBase
import math 
BUFSIZE = 8192
 
 
class FastIO(IOBase):
    newlines = 0
 
    def __init__(self, file):
        self._fd = file.fileno()
        self.buffer = BytesIO()
        self.writable = "x" in file.mode or "r" not in file.mode
        self.write = self.buffer.write if self.writable else None
 
    def read(self):
        while True:
            b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
            if not b:
                break
            ptr = self.buffer.tell()
            self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
        self.newlines = 0
        return self.buffer.read()
 
    def readline(self):
        while self.newlines == 0:
            b = os.read(self._fd, max(os.fstat(self._fd).st_size, BUFSIZE))
            self.newlines = b.count(b"\n") + (not b)
            ptr = self.buffer.tell()
            self.buffer.seek(0, 2), self.buffer.write(b), self.buffer.seek(ptr)
        self.newlines -= 1
        return self.buffer.readline()
 
    def flush(self):
        if self.writable:
            os.write(self._fd, self.buffer.getvalue())
            self.buffer.truncate(0), self.buffer.seek(0)
 
 
class IOWrapper(IOBase):
    def __init__(self, file):
        self.buffer = FastIO(file)
        self.flush = self.buffer.flush
        self.writable = self.buffer.writable
        self.write = lambda s: self.buffer.write(s.encode("ascii"))
        self.read = lambda: self.buffer.read().decode("ascii")
        self.readline = lambda: self.buffer.readline().decode("ascii")
 
 
sys.stdin, sys.stdout = IOWrapper(sys.stdin), IOWrapper(sys.stdout)
input = lambda: sys.stdin.readline().rstrip("\r\n")
 
#-------------------game starts now---------------------------------------------------
import math
for _ in range(int(input())):
    n = int(input())
    l=list(map(int,input().split()))
    l.sort(reverse=True)

    raj1 = [l[0]]
    newv = [0]*n
    newv[0] = 1
    ext = l[0]
    bbb=list()
    for i in range(1, n):
        mg = 0
        bbb.append(math.gcd(i,4))
        p = 0
        for j in range(n):
            if(newv[j]):
                continue
                ni=2
                ni=ni*2
            if(mg < math.gcd(l[j], ext)):
                mg = math.gcd(l[j], ext)
                bbb.append(3)
                p = j
        if(mg == 0):
            break

        ext = mg
        newv[p] = 1
        raj1.append(l[p])
        x=list()
        x=ext
    nu=list()
    for i in range(n):
        if(newv[i] == 0):
            raj1.append(l[i])
            nu.append(l[i])

    print(*raj1)