lean_workbook_plus_66037

Proved

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

How many all triple $(x, y, z)$ of Positive Integers satisfy the equation: $xyz=400$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_66037 (x y z : ℕ) (h : x*y*z = 400) : x*y*z = 400 ∧ x > 0 ∧ y > 0 ∧ z > 0   :=  by sorry

Source