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erdos_387.easy

Specification

It is easy to see that `n.choose k` has a divisor in `[n / k, n]`.

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Lean 4 Statement
theorem erdos_387.easy {n : ℕ} {k : ℕ} (hn : 1 ≤ n) (hk : k ≤ n) : ∃ d : ℕ,
    (d : ℝ) ∈ Set.Icc (n / k : ℝ) n ∧ d ∣ n.choose k
ID: ErdosProblems__387__erdos_387.easy
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