What Is A Heegner Number?
Logic
Level
2
\[ \large \boxed{\phantom0} \: \boxed{\phantom0} \: \boxed{\phantom0} \div \boxed{\phantom0} \]
All the digits \(6,7,8\) and \(9\) are used exactly once to fill in the boxes above to form a ratio of a 3-digit integer and a 1-digit integer. If this ratio is an integer, what is the maximum possible value of this ratio?
by
Pi Han Goh