lean_workbook_plus_15188

Proved

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

$4^{31}*4\equiv4^{32}\pmod {12}$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_15188 : 4^31 * 4 ≡ 4^32 [ZMOD 12]   :=  by sorry

Source