lean_workbook_plus_8289

Proved

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

Prove that $7^{12}\equiv 1 \mod 130$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_8289 : 7 ^ 12 ≡ 1 [ZMOD 130]   :=  by sorry

Source