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erdos_931
Specification
Let $k_1 \geq k_2 \geq 3$. Are there only finitely many $n_2\geq n_1 + k_1$ such that $$ \prod_{1\leq i\leq k_1}(n_1 + i)\ \text{and}\ \prod_{1\leq j\leq k_2} (n_2 + j) $$ have the same prime factors?
Lean 4 Statement
theorem erdos_931 : answer(sorry) ↔ ∀ᵉ (k₁ : ℕ) (k₂ ≥ 3), k₂ ≤ k₁ →
{ (n₁, n₂) | n₁ + k₁ ≤ n₂ ∧
(∏ i ∈ Finset.Icc 1 k₁, (n₁ + i)).primeFactors =
(∏ j ∈ Finset.Icc 1 k₂, (n₂ + j)).primeFactors }.Finite
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