MathDB
2018 Fall Team #3

Source:

April 17, 2022
number theory

Problem Statement

Let pp be the third-smallest prime number greater than 55 such that: ∙\bullet 2p+12p + 1 is prime, and ∙\bullet 5p≢15^p \not\equiv 1 (mod 2p+12p + 1). Find pp.
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