Question 27
The number
$$
\frac{9^{9} - 8^{8}}{1001}
$$
is an integer. Compute the sum of its prime factors.
$$
\frac{9^{9} - 8^{8}}{1001}
$$
is an integer. Compute the sum of its prime factors.
Math Olympiad Vault · MathNet 2025 — 50 problems — Part 01