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The original question is,
What is $$\left(2018^{2019} + 2019^{2018}\right) \pmod{7} ?$$
2026-04-02 11:43:43.1775130223
What is $(2018^{2019} + 2019^{2018}) \pmod{7}$?
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Hint
$$2^3\equiv 1\pmod 7$$ and $$3^3\equiv -1\pmod 7$$