lean_workbook_plus_69666

Proved

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

Prove that $2^{999}\equiv 2^{19}\bmod{100}$ and find $2^{19} \bmod{100}$ .

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_69666 : 2 ^ 999 ≡ 2 ^ 19 [MOD 100]   :=  by sorry

Source