MathDB
Mixing squares with prime

Source: Rioplatense L3 2023 #1

December 6, 2023
number theory

Problem Statement

Determine all triples (x,y,p)(x,y,p) of positive integers such that pp is prime, p=x2+1p=x^2+1 and 2p2=y2+12p^2=y^2+1.