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http://functions.wolfram.com/13.01.03.0056.01
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FactorInteger[-5!] == {{-1, 1}, {2, 3}, {3, 1}, {5, 1}}
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Cell[BoxData[RowBox[List[RowBox[List["FactorInteger", "[", RowBox[List["-", RowBox[List["5", "!"]]]], "]"]], "\[Equal]", RowBox[List["{", RowBox[List[RowBox[List["{", RowBox[List[RowBox[List["-", "1"]], ",", "1"]], "}"]], ",", RowBox[List["{", RowBox[List["2", ",", "3"]], "}"]], ",", RowBox[List["{", RowBox[List["3", ",", "1"]], "}"]], ",", RowBox[List["{", RowBox[List["5", ",", "1"]], "}"]]]], "}"]]]]]]
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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> <mi> factors </mi> <mo> ⁡ </mo> <mo> ( </mo> <mrow> <mo> - </mo> <mrow> <mn> 5 </mn> <mo> ! </mo> </mrow> </mrow> <mo> ) </mo> </mrow> <mo> ⩵ </mo> <mrow> <mo> { </mo> <mrow> <mrow> <mo> { </mo> <mrow> <mrow> <mo> - </mo> <mn> 1 </mn> </mrow> <mo> , </mo> <mn> 1 </mn> </mrow> <mo> } </mo> </mrow> <mo> , </mo> <mrow> <mo> { </mo> <mrow> <mn> 2 </mn> <mo> , </mo> <mn> 3 </mn> </mrow> <mo> } </mo> </mrow> <mo> , </mo> <mrow> <mo> { </mo> <mrow> <mn> 3 </mn> <mo> , </mo> <mn> 1 </mn> </mrow> <mo> } </mo> </mrow> <mo> , </mo> <mrow> <mo> { </mo> <mrow> <mn> 5 </mn> <mo> , </mo> <mn> 1 </mn> </mrow> <mo> } </mo> </mrow> </mrow> <mo> } </mo> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <eq /> <apply> <ci> factors </ci> <apply> <times /> <cn type='integer'> -1 </cn> <apply> <factorial /> <cn type='integer'> 5 </cn> </apply> </apply> </apply> <list> <list> <cn type='integer'> -1 </cn> <cn type='integer'> 1 </cn> </list> <list> <cn type='integer'> 2 </cn> <cn type='integer'> 3 </cn> </list> <list> <cn type='integer'> 3 </cn> <cn type='integer'> 1 </cn> </list> <list> <cn type='integer'> 5 </cn> <cn type='integer'> 1 </cn> </list> </list> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", RowBox[List["FactorInteger", "[", RowBox[List["-", RowBox[List["5", "!"]]]], "]"]], "]"]], "\[RuleDelayed]", RowBox[List["{", RowBox[List[RowBox[List["{", RowBox[List[RowBox[List["-", "1"]], ",", "1"]], "}"]], ",", RowBox[List["{", RowBox[List["2", ",", "3"]], "}"]], ",", RowBox[List["{", RowBox[List["3", ",", "1"]], "}"]], ",", RowBox[List["{", RowBox[List["5", ",", "1"]], "}"]]]], "}"]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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