mirror of
https://github.com/correl/euler.git
synced 2024-11-30 11:09:52 +00:00
25 lines
713 B
Erlang
25 lines
713 B
Erlang
% 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)]).
|