lean_workbook_plus_4762

Proved

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

Solve $10^x\equiv 1\pmod{3^{2005}}$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_4762 : ∃ x:ℕ, 10^x ≡ 1 [ZMOD 3^2005]   :=  by sorry

Source