document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=312163>Question 312163</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mathematics have been searching for a formula that yields prime numbers.  One such formula was X square – X + 41.  Select some numbers for X, Substitute them in the formula, and see if prime numbers occur.  Try to find a number for X that when substituted in the formula yields a composite number.  Please select at least 5 numbers.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223250 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If x = 1  you get 41<BR>\n" );
document.write( "If x = 2  you get 43<BR>\n" );
document.write( "If x = 3  you get 47<BR>\n" );
document.write( "If x = 4  you get 53<BR>\n" );
document.write( "If x = 5  you get 61<BR>\n" );
document.write( "These are all prime, BUT if you choose x = 41, you get 1681, and that is not prime...it is composite... </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );