Samir posted an Question
February 13, 2022 • 03:58 am 30 points
  • IIT JAM
  • Mathematics (MA)

Hens hhat esey nen-feso elarmesdt ak zn a uoh ajeso divilor.

hens Hhat esey nen-Feso elarmesdt ak Zn a uoh ajeso divilor.

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  • Anonymous User best-answer

    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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