Question: Problem1.. Prove that if the ring Z, is an integral domain, then n is a prime. Problem2.. Let [a] E Z,, [a] # [o]. Prove

Problem1.. Prove that if the ring Z, is an integral domain, then n is a prime. Problem2.. Let [a] E Z,, [a] # [o]. Prove that [a] is a zero divisor if and only if god (a, n) / 1

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