in reply to Simple primality testing
My favourite way to test primality is:
sub is_prime { ('1' x shift) !~ /^(11+)\1+$/ }
:-)
Ted Young
($$<<$$=>$$<=>$$<=$$>>$$) always returns 1. :-)
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in reply to Simple primality testing
My favourite way to test primality is:
sub is_prime { ('1' x shift) !~ /^(11+)\1+$/ }
:-)
Ted Young
($$<<$$=>$$<=>$$<=$$>>$$) always returns 1. :-)