ILL 1985 Problem 54

Set $S_n = \sum_{p=1}^n (p^5+p^7)$ . Determine the greatest common divisor of $S_n$ and $S_{3n}.$

Dataset text AI-MO AoPS. Quoted with source.

Solutions

No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.