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<?php function is_prime($number) { $c=0; for($i=1;$i<sqrt($number)+1;$i++) { if($number%$i===0) $c++; } if($c==1) return true; else return false; } $sum=2; for($i=3;$i<2000000;$i=$i+2){ if(is_prime($i)==true) { $sum=$sum+$i; } } echo $sum;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6

Process exited with code 137.
preferences:
269.62 ms | 406 KiB | 356 Q