Prime number

 <?php

$number=1;

while($number<50)

{

 $div_count=0;

 for($i=1;$i<$number;$i++)

 { 

  if(($number%$i)==0)

  {

   $div_count++;

  }

 } 

 if($div_count<=2)

 {

  echo $number." ,"; 

 }

 $number++;

}

?>

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