22:45 >perl -MData::Dumper -wE "my @c = ( 5, 7, 11 ); say Dumper @c; say Dumper \@c;"
$VAR1 = 5;
$VAR2 = 7;
$VAR3 = 11;

$VAR1 = [
          5,
          7,
          11
        ];


22:46 >

##</code><code>##

    my @factors = [ ];

##</code><code>##

    my @factors;