RosettaCodeData/Task/Primality-by-trial-division/Perl/primality-by-trial-division-3.pl
2015-02-20 00:35:01 -05:00

4 lines
104 B
Raku

sub isprime {
('1' x shift) !~ /^1?$|^(11+?)\1+$/
}
print join(', ', grep(isprime($_), 0..39)), "\n";