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25 lines
713 B
Erlang
25 lines
713 B
Erlang
% What is the smallest number divisible by each of the numbers 1 to 20?
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% 2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
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% What is the smallest number that is evenly divisible by all of the numbers from 1 to 20?
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-module(e005).
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-export([
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main/1
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]).
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divisible(N) ->
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divisible(N, N, 1).
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divisible(_, C, X) when C == 1 ->
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X;
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divisible(N, C, X) ->
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if
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X rem C == 0 ->
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divisible(N, C - 1, X);
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true ->
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divisible(N, N, X + 1)
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end.
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main(_) ->
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io:format("Smallest number divisible by 1 to 10: ~w~n", [divisible(10)]),
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io:format("Smallest number divisible by 1 to 10: ~w~n", [divisible(20)]).
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