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Diffstat (limited to 'Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-02')
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diff --git a/Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-02 b/Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-02 new file mode 100644 index 00000000000..fd640088e08 --- /dev/null +++ b/Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-02 @@ -0,0 +1,25 @@ +% Format: LaTeX2e +\documentclass{report} + +\setlength{\parskip}{\baselineskip} +\setlength{\parindent}{0pt} + +\begin{document} + +\chapter{Unsolved Problems} + +\section{Odd Perfect Numbers} + +A number is said to be \emph{perfect} if it +is the sum of its divisors. For example, $6$ is +perfect because \(1+2+3 = 6\), and $1$, $2$, and $3$ +are the only numbers that divide evenly into $6$ +(apart from 6 itself). + +It has been shown that all even perfect numbers +have the form \[2^{p-1}(2^{p}-1)\] where $p$ +and \(2^{p}-1\) are both prime. + +The existence of \emph{odd} perfect numbers is +an open question. +\end{document} |