It was solved, and he (Fermat) was likely wrong, given the resulting proof. (5 + 3) % 8 = 0 is not the same as 5 + 3 = 0 I'm not looking for mystery, I'm wond

It was solved, and he (Fermat) was likely wrong, given the resulting proof. (5 + 3) % 8 = 0 is not the same as 5 + 3 = 0 I'm not looking for mystery, I'm wondering why people think it exists, and are faking its existence by being imprecise.