public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int T = in . nextInt ( ) ;
  for ( int t = 0 ;
  t < T ;
  t ++ ) {
    int N = in . nextInt ( ) ;
    List < Integer > rest = new ArrayList < > ( ) ;
    for ( int n = 0 ;
    n < N ;
    n ++ ) {
      rest . add ( in . nextInt ( ) ) ;
    }
    StringBuilder output = new StringBuilder ( ) ;
    int gcd = 0 ;
    int nextGCD ;
    int nextNumber = 0 ;
    while ( ! rest . isEmpty ( ) ) {
      nextGCD = 0 ;
      for ( int a : rest ) {
        int candGCD = gcd ( a , gcd ) ;
        if ( candGCD > nextGCD ) {
          nextGCD = candGCD ;
          nextNumber = a ;
        }
      }
      gcd = nextGCD ;
      output . append ( nextNumber ) . append ( ' ' ) ;
      rest . remove ( ( Integer ) nextNumber ) ;
    }
    System . out . println ( output ) ;
  }
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int T = in . nextInt ( ) ; for ( int t = 0 ; t < T ; t ++ ) { int N = in . nextInt ( ) ; List < Integer > rest = new ArrayList < > ( ) ; for ( int n = 0 ; n < N ; n ++ ) { rest . add ( in . nextInt ( ) ) ; } StringBuilder output = new StringBuilder ( ) ; int gcd = 0 ; int nextGCD ; int nextNumber = 0 ; while ( ! rest . isEmpty ( ) ) { nextGCD = 0 ; for ( int a : rest ) { int candGCD = gcd ( a , gcd ) ; if ( candGCD > nextGCD ) { nextGCD = candGCD ; nextNumber = a ; } } gcd = nextGCD ; output . append ( nextNumber ) . append ( ' ▁ ' ) ; rest . remove ( ( Integer ) nextNumber ) ; } System . out . println ( output ) ; } }
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