"Thus, A * BCDEF = G * 3 * 7 * 11 * 13 * 37, and so A must be either 3 or 7."
At this point, how did you rule out G being composite and A being a factor of G? (... or 3 * a factor of G, or G being 2 and A being 6)?
blackjack
<a href="http://c.casalemedia.com/c?s=51816&f=3&id=0" target="_blank"><img src="http://as.casalemedia.com/s?s=51816&u=http://perplexus.info&f=3&id=0&if=0" width="120" height="600" border="0"></a>
flooble's webmaster puzzle
re: solution - spoiler
