Greatest Common Divisor of Integers/Examples/-5 and 5/Proof 2

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Example of Greatest Common Divisor of Integers

The greatest common divisor of $-5$ and $5$ is:

$\gcd \set {-5, 5} = 5$


Proof

From GCD of Integer and its Negative:

$\gcd \set {-5, 5} = 5$

$\blacksquare$