theorem proved term proof

`primorial_four_eq`

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formal statement (Lean)

1364theorem primorial_four_eq : (210 : ℕ) = 2 * 3 * 5 * 7 := by native_decide

Term-mode proof.

1365
1366/-- primorial(5) = 2 × 3 × 5 × 7 × 11 = 2310. -/