RosettaCodeData/Task/Perfect-numbers/Perl/perfect-numbers-6.pl
2015-11-18 06:14:39 +00:00

5 lines
167 B
Raku

use ntheory qw/forprimes is_mersenne_prime/;
use Math::GMP qw/:constant/;
forprimes {
print "$_\t", (2**$_-1)*2**($_-1),"\n" if is_mersenne_prime($_);
} 7_000_000;