Serbia JBMO TST 2021 problem 2
Source: Serbia JBMO TST 2021
January 3, 2022
number theorymodular arithmeticDiophantine Equationscollection
Problem Statement
Solve the following equation in natural numbers:
\begin{align*}
x^2=2^y+2021^z
\end{align*}
Source: Serbia JBMO TST 2021