GCD

For discussing Olympiad Level Number Theory problems
mathlover007
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Joined: Sun Dec 10, 2017 5:14 pm

GCD

Unread post by mathlover007 » Thu Dec 14, 2017 7:09 pm

gcd(a,0) = ?

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samiul_samin
Posts: 999
Joined: Sat Dec 09, 2017 1:32 pm

Re: GCD

Unread post by samiul_samin » Thu Mar 01, 2018 8:02 pm

GCD($a,0$)$=a$
Because $a$ id divided by $a$ and it is the greatest divisor of $a$.
$0$ is also divided by $a$.
So, the desire answer is $\fbox a$.
Google first to know the answer of this type of familiar question.

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