lean_workbook_plus_71644

Disproved

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

Show that $11^{1} \equiv 1 \mod 100$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_71644 : 11 ^ 1 ≡ 1 [ZMOD 100]   :=  by sorry

Source