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http://functions.wolfram.com/13.06.29.0007.01
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EulerPhi[m] EulerPhi[n] <= EulerPhi[m n] <= n EulerPhi[m]
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Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["EulerPhi", "[", "m", "]"]], RowBox[List["EulerPhi", "[", "n", "]"]]]], "\[LessEqual]", RowBox[List["EulerPhi", "[", RowBox[List["m", " ", "n"]], "]"]], "\[LessEqual]", RowBox[List["n", " ", RowBox[List["EulerPhi", "[", "m", "]"]]]]]]]]
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<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <mrow> <semantics> <mi> ϕ </mi> <annotation encoding='Mathematica'> TagBox["\[Phi]", EulerPhi] </annotation> </semantics> <mo> ( </mo> <mi> m </mi> <mo> ) </mo> </mrow> <mo> ⁢ </mo> <mrow> <semantics> <mi> ϕ </mi> <annotation encoding='Mathematica'> TagBox["\[Phi]", EulerPhi] </annotation> </semantics> <mo> ( </mo> <mi> n </mi> <mo> ) </mo> </mrow> </mrow> <mo> ≤ </mo> <mrow> <semantics> <mi> ϕ </mi> <annotation encoding='Mathematica'> TagBox["\[Phi]", EulerPhi] </annotation> </semantics> <mo> ( </mo> <mrow> <mi> m </mi> <mo> ⁢ </mo> <mi> n </mi> </mrow> <mo> ) </mo> </mrow> <mo> ≤ </mo> <mrow> <mi> n </mi> <mo> ⁢ </mo> <mrow> <semantics> <mi> ϕ </mi> <annotation encoding='Mathematica'> TagBox["\[Phi]", EulerPhi] </annotation> </semantics> <mo> ( </mo> <mi> m </mi> <mo> ) </mo> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <leq /> <apply> <times /> <apply> <ci> EulerPhi </ci> <ci> m </ci> </apply> <apply> <ci> EulerPhi </ci> <ci> n </ci> </apply> </apply> <apply> <ci> EulerPhi </ci> <apply> <times /> <ci> m </ci> <ci> n </ci> </apply> </apply> <apply> <times /> <ci> n </ci> <apply> <ci> EulerPhi </ci> <ci> m </ci> </apply> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["EulerPhi", "[", "m", "]"]], " ", RowBox[List["EulerPhi", "[", "n", "]"]]]], "\[LessEqual]", RowBox[List["EulerPhi", "[", RowBox[List["m", " ", "n"]], "]"]], "\[LessEqual]", RowBox[List["n", " ", RowBox[List["EulerPhi", "[", "m", "]"]]]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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