lean_workbook_plus_45363

Proved

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

If the GCD of $a$ and $b$ is $12$ and the LCM of $a$ and $b$ is $168$ , what is the value of $a\times b$ ?

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_45363 (a b : ℕ) (hgcd : Nat.gcd a b = 12) (hlcm : Nat.lcm a b = 168) : a * b = 2016   :=  by sorry

Source