Question 89
Determine all primes $p$ such that there exists an integer $x$ satisfying $x^{2010} + x^{2009} + \cdots + 1 \equiv p^{2010} \pmod{p^{2011}}$.
MathNet 2017-part-07 — 172 problems (EN–VI) Question 89
Math Olympiad Vault · MathNet 2017-part-07 — 172 problems (EN–VI)