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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Lucas-Lehmer-test/Elixir/lucas-lehmer-test.elixir Normal file
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defmodule LucasLehmer do
use Bitwise
def test do
for p <- 2..1300, p==2 or s(bsl(1,p)-1, p-1)==0, do: IO.write "M#{p} "
end
defp s(mp, 1), do: rem(4, mp)
defp s(mp, n) do
x = s(mp, n-1)
rem(x*x-2, mp)
end
end
LucasLehmer.test