<?
for ($i = 0; $i <= 2000000; $i++)
{
    if($i % 2 != 1) continue;
    $d = 3;
    $x = sqrt($i);
    while ($i % $d != 0 && $d < $x) $d += 2;
    if((($i % $d == 0 && $i != $d) * 1) == 0) echo $i.' ';
}
?>

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