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-module(problem10).
-export([solve/0]).
solve() -> gen_list([2,3],2000000).
gen_list(List,Max) ->
O = gen_next(List),
if
O > Max ->
lists:sum(List);
true ->
gen_list(List++[O],Max)
end.
gen_next(List) ->
gen_next(List, lists:max(List) + 1).
gen_next(List, Next) ->
Q = will_divide(Next, List),
if
Q ->
gen_next(List, Next + 1);
true ->
Next
end.
will_divide(_, []) ->
false;
will_divide(Num, [H|T]) ->
if
Num rem H =:= 0 ->
true;
true ->
will_divide(Num, T)
end.
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