I'm struggling with the proof, that $\gcd\left(F_{n+1},F_n\right)$ takes exactly $n-1$ iteration steps. I'm not quite sure how to start - any help would be really appreciated!
2026-04-05 18:39:23.1775414363
Prove that $\gcd(F_{n+1},F_n)$ takes exactly $n-1$ iteration steps for computation.
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