document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=607887>Question 607887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine by showing work and using any method whether argument is valid\r<BR>\n" );
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document.write( "The number 91 is prime just in case it is not composite. The number 91 is not both prime and divisible by 2. The number 91 is divisible by 2. Therefore the number 91 is composite.\r<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 #383094 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=383094\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"91 is composite\" is correct but not for the right reason.\r<BR>\n" );
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document.write( "91 = 7*13, cannot be both prime and divisible by two other factors. Therefore 91 is composite. </SPAN>\n" );
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