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theorem

bigOmega_twelve

proved
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module
IndisputableMonolith.NumberTheory.Primes.ArithmeticFunctions
domain
NumberTheory
line
814 · github
papers citing
none yet

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open lean source

IndisputableMonolith.NumberTheory.Primes.ArithmeticFunctions on GitHub at line 814.

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formal source

 811theorem omega_six : omega 6 = 2 := by native_decide
 812
 813/-- Ω(12) = 3 (since 12 = 2² × 3). -/
 814theorem bigOmega_twelve : bigOmega 12 = 3 := by native_decide
 815
 816/-- ω(12) = 2 (distinct prime factors: 2, 3). -/
 817theorem omega_twelve : omega 12 = 2 := by native_decide
 818
 819/-- Ω(30) = 3 (since 30 = 2 × 3 × 5). -/
 820theorem bigOmega_thirty : bigOmega 30 = 3 := by native_decide
 821
 822/-- ω(30) = 3 (distinct prime factors: 2, 3, 5). -/
 823theorem omega_thirty : omega 30 = 3 := by native_decide
 824
 825/-- μ(6) = 1 (squarefree with 2 prime factors). -/
 826theorem mobius_six : mobius 6 = 1 := by native_decide
 827
 828/-- μ(30) = -1 (squarefree with 3 prime factors). -/
 829theorem mobius_thirty : mobius 30 = -1 := by native_decide
 830
 831/-- μ(12) = 0 (not squarefree, since 4 | 12). -/
 832theorem mobius_twelve : mobius 12 = 0 := by native_decide
 833
 834/-- rad(30) = 30 (squarefree). -/
 835theorem radical_thirty : radical 30 = 30 := by native_decide
 836
 837/-- rad(60) = 30. -/
 838theorem radical_sixty : radical 60 = 30 := by native_decide
 839
 840/-- rad(360) = 30. -/
 841theorem radical_threehundredsixty : radical 360 = 30 := by native_decide
 842
 843/-- rad(840) = 210 = 2 × 3 × 5 × 7. -/
 844theorem radical_eighthundredforty : radical 840 = 210 := by native_decide