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- <?php
- $num=array(25,2,3,21,5,11);
- for($j=2; $j<=$num; $j++)
- {
- for($k=2; $k<$j; $k++)
- {
- if($j%$k==0)
- {
- break;
- }
- }
- if($k==$j)
- echo "prime number:",$j,"<br>";
- }
- ?>
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