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Counting Squares in \(Z_n\)

by Walter D. Stangl (Biola University)

This article originally appeared in:
Mathematics Magazine
October, 1996

Subject classification(s): Algebra and Number Theory | Number Theory
Applicable Course(s): 4.3 Number Theory

How many numbers in the integer mod \(n\) ring will be perfect squares?

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Capsule Course Topic(s):
Number Theory | Algebraic Structures
Number Theory | Congruences, Solving Congruence Equations
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