#! Perl print "Find primes from: "; $o = <>; print "to: "; $e = <>; for($i=$o; $i<=$e; $i++){ $p=0; for($j=1; $j<=$i; $j++){ if($i % $j==0){ $prime_[$p] = "$j"; $p++; } if ($prime_[1] == $i){ print "$i is prime"; print "\n"; } } }