What is the greatest prime factor of 4 ^17 - 2 ^ 28?
A. 2
B. 3
C. 5
D. 7
E. 11
OA D
the greatest prime factor
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Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
This question has been answered and explained thoroughly here
https://www.beatthegmat.com/greatest-pri ... 14712.html
https://www.beatthegmat.com/greatest-pri ... 14712.html