cmi-entrance 2023 QB1

cmi-entrance · India · ugmath 11 marks Number Theory Congruence Reasoning and Parity Arguments
We want to find odd integers $n > 1$ for which $n$ is a factor of $2023 ^ { n } - 1$.
(a) Find the two smallest such integers.
(b) Prove that there are infinitely many such integers.
We want to find odd integers $n > 1$ for which $n$ is a factor of $2023 ^ { n } - 1$.\\
(a) Find the two smallest such integers.\\
(b) Prove that there are infinitely many such integers.