theorem
proved
term proof
isolated_prime_ninetyseven
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formal statement (Lean)
2859theorem isolated_prime_ninetyseven : Prime 97 ∧ ¬Prime 95 ∧ ¬Prime 99 := by native_decide
proof body
Term-mode proof.
2860
2861-- Note: 103 is NOT isolated since 103 - 2 = 101 is prime.
2862
2863/-- 113 is an isolated prime: 111 = 3 × 37, 115 = 5 × 23. -/