on 27.08.2009 at 19:54 Maurizio Vitale wrote :
Seems like you're determined to keep this thread alive beyond reason. May I humbly suggest that at least you do the following before posting: - read the text you're answering to - make yourself familiar with the relevant literature
Had you done so, you would, maybe, discovered that: - a common multiple is not a common number, although they have common in common. - more, a common multiple of a tiling shape is not even a number (although it can represented by one in R^n). - last, that people have written about this profusely and googling for a few keywords would be a good idea. thanks to your patience to write all this for me i always confuse LCM and GCD sorry for that and sorry for confusing you
i meant a common number in a sense that it is ordinary, natural to use but not that it is a prime (did i get it right?)
Other than that, yes, 3 is a rather common number. Not as nice as my personal favourite, 42, though. consider 23
-- Pavel