KZ-MO 2000 Problem 5

Let the number $p$ be a prime divisor of the number $2 ^ {2 ^ k} + 1$ . Prove that $p-1$ is divisible by $2 ^ {k + 1}$ .

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.