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Found problems: 1

VMEO I 2004, 2
Tags: Fibonacci Numbers , Fibonacci sequence , Fibonacci , number theory , Perfect power , divisibe
The Fibonacci numbers $(F_n)_{n=1}^{\infty}$ are defined as follows: $$F_1 = F_2 = 1, F_n = F_{n-2} + F_{n-1}, n = 3, 4, ...$$ Assume $p$ is a prime greater than $3$. With $m$ being a natural number greater than $3$, find all $n$ numbers such that $F_n$ is divisible by $p^m$.