Question 144
Find all prime numbers $p$ for which the number
$$
3^p + 4^p + 5^p + 9^p - 98
$$
has at most 6 positive divisors.
$$
3^p + 4^p + 5^p + 9^p - 98
$$
has at most 6 positive divisors.
MathNet 2022-part-05 — 197 problems (EN–VI) Question 144
Math Olympiad Vault · MathNet 2022-part-05 — 197 problems (EN–VI)