BG-MO 1970 Problem 1

Find all natural numbers $a>1$ , with the property that every prime divisor of $a^6-1$ divides also at least one of the numbers $a^3-1$ , $a^2-1$ .

K. Dochev

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.