M7MBA Moderator View User Profile Posts: 2058 Joined: Sun Oct 29, 2017 4:24 am Thanked: 1 times Followed by:5 members What is the greatest prime factor of \(4^{17}-2^{28}?\) by M7MBA » Sun Jan 31, 2021 1:00 pm Timer 00:00 Your Answer A B C D E Global Stats What is the greatest prime factor of \(4^{17}-2^{28}?\) A. 2 B. 3 C. 5 D. 7 E. 11 Answer: D Source: GMAT Prep Top Quote