I understand that the graph is supposed to look pretty and I'm learned enough to know that gcd is applicable only to integers but the use of lines currently implies that gcd(1,1.5)=1 which is nonsense. It also shows that gcd(0,0)=0. As such graph wrong at infinitely many places and correct at only a few. I could probably tolerate points connected by much thinner lines but not the graph as it now stands so I propose to remove it from the gcd article unless and until it reaches a higher standard.

The colours are particularly unsuitable for those with achromatopsia or dichromacy which makes roughly 1/3 of all those who are colour blind to some degree or another. This should also be addressed.Waerloeg (talk) 00:09, 16 June 2014 (UTC)