theorem proved term proof

`mod6_sixtyseven_prime`

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formal statement (Lean)

1879theorem mod6_sixtyseven_prime : Prime 67 ∧ 67 % 6 = 1 := by native_decide

Term-mode proof.

1880
1881/-- 73 ≡ 1 (mod 6). -/

Lean names referenced from this declaration's body.