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author | Karl Berry <karl@freefriends.org> | 2005-12-29 00:35:06 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2005-12-29 00:35:06 +0000 |
commit | 86f6ad0f8431ad33548e4b843418630365dcd7cb (patch) | |
tree | 59533054992d6c5e40a4cdbb4004b083bdfa4b1d /Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-03 | |
parent | 41ceff5a615ab4e3d46b1c94bd26d9dcf9d6c1f8 (diff) |
doc/english/m
git-svn-id: svn://tug.org/texlive/trunk@22 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-03')
-rw-r--r-- | Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-03 | 25 |
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diff --git a/Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-03 b/Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-03 new file mode 100644 index 00000000000..3119cf8bab4 --- /dev/null +++ b/Master/texmf-doc/doc/english/make-tex-work/examples/ex-04-03 @@ -0,0 +1,25 @@ +% Format: LaTeX +\documentstyle{report} + +\setlength{\parskip}{\baselineskip} +\setlength{\parindent}{0pt} + +\begin{document} + +\chapter{Unsolved Problems} + +\section{Odd Perfect Numbers} + +A number is said to be {\em 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 {\em odd\/} perfect numbers is +an open question. +\end{document} |