Problems
Contests

National and Regional ContestsUSA ContestsUSA - Other Middle and High School ContestsPurple Comet Problems2016 Purple Comet Problems24

24

Part of 2016 Purple Comet Problems

Problems(1)

Purple Comet 2016 HS Problem 24

Source:

Find the largest prime

p

p

2^{p+1} + 3^{p+1} + 5^{p+1} + 7^{p+1}