Question 41
Determine all positive integers $a$, $b$, $c$, $p$ where $p$ and $p + 2$ are odd primes and
$$2^{a}p^{b} = (p + 2)^{c} - 1.$$
$$2^{a}p^{b} = (p + 2)^{c} - 1.$$
Math Olympiad Vault · MathNet 2025 — Part 02 (100 complete bilingual questions)