lean_workbook_plus_75399

Proved

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

Prove that $2022^{2022} \equiv 0 \pmod{9}$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_75399 : 2022 ^ 2022 ≡ 0 [ZMOD 9]   :=  by sorry

Source