document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1033750>Question 1033750</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let S be the relation on N such that xSy means xy is not prime. Is S an equivalence relation? If yes, write down all numbers no greater than 10 from one of its equiavalence classes.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650486 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=650486\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> S is not an equivalence relation because it fails to satisfy transitivity.\r<BR>\n" );
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document.write( "E.g. let x = 5, y = 10, z = 1. Then xSy and ySz (since 50 and 10 are not prime), but it is not true that xSz. </SPAN>\n" );
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