If \(p\) is a positive integer, is \(2^p + 1\) a prime number?

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VJesus12: Legendary Member; Posts: 2276; Joined: Sat Oct 14, 2017 6:10 am; Followed by:3 members

If \(p\) is a positive integer, is \(2^p + 1\) a prime number?

by VJesus12 » Thu Nov 18, 2021 9:43 am

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If \(p\) is a positive integer, is \(2^p + 1\) a prime number?

(1) \(p\) is a prime number.
(2) \(p\) is an even number.

Answer: C

Source: Official Guide

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Source: Beat The GMAT — Data Sufficiency | Thu Nov 18, 2021 9:43 am

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