What is the greatest power of 2 that divides 321024− 1?
Sunday, August 21, 2011
Please email your solutions to email@example.com.
This puzzle is based on:
- Andreescu, Titu; Andrica, Dorin; Feng, Zuming. 104 Number Theory Problems: From the Training of the USA IMO Team. Boston: Birkhäuser, 2007. p. 9. Example 1.10.