13 and 65 are relatively prime? True or false

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Definition. Two numbers are called relatively prime (coprime) if their greatest common divisor (gcd) being 1. (https://en.wikipedia.org/wiki/Coprime_integers)

In our case,

$65=13\times5\longrightarrow \gcd(13;65)=13\neq1$

Conclusion,

$\boxed{\text{Numbers 13 and 65 are not coprime}}$

ANSWER

$FALSE$

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