! Copyright (c) 2009 Aaron Schaefer.
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: combinators kernel math math.primes math.primes.factors
ranges project-euler.common sequences sequences.extras ;
IN: project-euler.069
-! http://projecteuler.net/index.php?section=problems&id=69
+! https://projecteuler.net/index.php?section=problems&id=69
! DESCRIPTION
! -----------