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BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

cmal_s: Junior | Next Rank: 30 Posts; Posts: 12; Joined: Wed Mar 24, 2010 9:36 am

by cmal_s » Wed Mar 24, 2010 1:44 pm

q) What is the greatest prime factor of 4^17- 2^28.

Answer 7? HOW

Source: Beat The GMAT — Data Sufficiency | Wed Mar 24, 2010 1:44 pm

papgust: Community Manager; Posts: 1537; Joined: Mon Aug 10, 2009 6:10 pm; Thanked: 653 times; Followed by:252 members

by papgust » Wed Mar 24, 2010 6:13 pm

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