Question 159
Determine all positive integers $n$ for which the following quantity is a positive integer:
$$
\frac{10^n}{n^3 + n^2 + n + 1}
$$
$$
\frac{10^n}{n^3 + n^2 + n + 1}
$$
MathNet 2015-part-03 — 191 problems (EN–VI) Question 159
Math Olympiad Vault · MathNet 2015-part-03 — 191 problems (EN–VI)