Ryotaro Nohagi

Sprague-Grundy Value for Common Divisor Nim

We determine the Sprague-Grundy value for the Common Divisor Nim$_m$ (CDN$_m$ for short) for $m \in \mathbb{Z}_{\ge 1}$, which is called COMMON DIVISOR game in [ANW, Chapter 2, Exercise 8 (p.55)].