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greatest prime factor
What is the greatest prime factor of 4^17-2^28?
A) 2
B) 3
C) 5
D) 7
E) 11
Can i get some help on how to solve this?
- by DeeeJaaayyy
Mon Oct 05, 2009 4:48 pm- Forum: Problem Solving
- Topic: greatest prime factor
- Replies: 1
- Views: 1164