utils.lisp @ 8d552510fe9d

Problem 3, and fix up utils.
author Steve Losh <steve@stevelosh.com>
date Sat, 09 Apr 2016 17:16:13 +0000
parents (none)
children 3512c67e0138
(in-package #:euler.utils)

(defun dividesp (n divisor)
  "Return whether `n` is evenly divisible by `divisor`."
  (zerop (mod n divisor)))