lean_workbook_plus_5955

Proved

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

Prove that $31|5^{31}+5^{17}+1$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_5955 : 31 ∣ 5^31 + 5^17 + 1   :=  by sorry

Source