Samir ahmad Asked a Question
February 12, 2022 10:28 pmpts 30 pts
hens Hhat esey nen-Feso elarmesdt ak Zn a uoh ajeso divilor.
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  • Navdeep goyal 1 thankyou
    Suppose that a is in Zn. If gcd(a, n) = 1, then we know that a is a unit. Suppose that gcd(a, n) = d > 1. Then a(n/d)= (a/d)n = 0, so a is a zero-divisor.
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