Or rephrasing Re: Easy way to list prime numbers 1 to 100 with the actual calculation taking one single grep statement:

my ($MAX,@comp)=100;
my @prime=grep {my $i=$_; !$comp[$i] && map $comp[$i*$_]++, 1..$MAX/$i
+} 2..$MAX;

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In reply to Re: Easy way to list prime numbers 1 to 100 by blazar
in thread Easy way to list prime numbers 1 to 100 by l.frankline

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