Question: a let p be a prime number greater than 3...
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(a) let p be a prime number greater than 3. that are the possible remainders of p upon division by 6? (b)what are the possible values of n^2(mod 6) for an odd integer n? (c)show that if 2^n+n^2 is a prime greater than 3 , then n ≡3（mod6）
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