Help with LCM and GCD.

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October 22nd 2012, 04:43 AM
kohila

Help with LCM and GCD.

(Surprised) If a/b,b/c, then the GCD of a,b,c is.

Please answer with explanation..
October 22nd 2012, 04:56 AM
Plato

Re: Help with LCM and GCD.

Quote:

Originally Posted by kohila

(Surprised) If a/b,b/c, then the GCD of a,b,c is.
Please answer with explanation..

Well it depends:
$\text{If }a=5,~b=5~\&~c=5\text{ then GCD}(a,b,c)=~?$

$\text{If }a=5,~b=5~\&~c=10\text{ then GCD}(a,b,c)=~?$

$\text{If }a=5,~b=10~\&~c=15\text{ then GCD}(a,b,c)=~?$

The point being the answer is $\min\{a,b,c\}$ .
October 22nd 2012, 05:22 AM
kohila

Re: Help with LCM and GCD.

But the answer is a, my teacher suggested... I want the explanation on it...

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