lean_workbook_plus_50448

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

Suppose $a<462$ . If $a$ and $462$ are coprime, or $(462,a)=1$ then $a+462$ should be coprime too, by the Euclidean Algorithm.

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_50448 (a : ℕ) (h : a < 462) (ha : Nat.Coprime 462 a) : Nat.Coprime 462 (a + 462)   :=  by sorry

Source