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Excercise 005

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Correl Roush 2011-09-24 21:18:08 -04:00
parent 5b86e3b132
commit 24feecb51f
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% What is the smallest number divisible by each of the numbers 1 to 20?
% 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
% What is the smallest number that is evenly divisible by all of the numbers from 1 to 20?
-module(e005).
-export([
main/1
]).
divisible(N) ->
divisible(N, N, 1).
divisible(_, C, X) when C == 1 ->
X;
divisible(N, C, X) ->
if
X rem C == 0 ->
divisible(N, C - 1, X);
true ->
divisible(N, N, X + 1)
end.
main(_) ->
io:format("Smallest number divisible by 1 to 10: ~w~n", [divisible(10)]),
io:format("Smallest number divisible by 1 to 10: ~w~n", [divisible(20)]).