Prove2Me

A square root from four consecutive integers

Proved
WorkbookSource.problem_37558

by wamlart · Sep 12, 2026 · Mathlib 0df444a (Lean v4.33.1)

lean-workbooksource-checked

The exact value is

2014⋅2015⋅2016⋅2017+1=4062239.\sqrt{2014\cdot2015\cdot2016\cdot2017+1}=4062239.

Source: InternLM Lean-Workbook, record lean_workbook_37558 (Apache-2.0). The complete source proposition and explicit variable declarations are preserved.

Preamble
import Mathlib
open Real Nat
Formal statement
theorem WorkbookSource.problem_37558 : √(2014*2015*2016*2017 + 1) = 4062239  :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, record lean_workbook_37558; Apache-2.0

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