document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=330414>Question 330414</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to see if prime numbers occur and does the formula yeild a composite number.\r<BR>\n" );
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document.write( "X^2 - X + 41 \r<BR>\n" );
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document.write( "I need to use 0 and 2 even numbers and 2 odd numbers.\r<BR>\n" );
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document.write( "can you help?<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 #236812 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=236812\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When x=0, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=0%5E2-0%2B41=0-0%2B41=41 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=0%5E2-0%2B41=0-0%2B41=41\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is prime.\r<BR>\n" );
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document.write( "When x=1, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=1%5E2-1%2B41=1-1%2B41=41 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=1%5E2-1%2B41=1-1%2B41=41\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is prime.\r<BR>\n" );
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document.write( "When x=2, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=2%5E2-2%2B41=4-2%2B41=43 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=2%5E2-2%2B41=4-2%2B41=43\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is prime.\r<BR>\n" );
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document.write( "When x=3, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=3%5E2-3%2B41=9-3%2B41=47 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=3%5E2-3%2B41=9-3%2B41=47\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is prime.\r<BR>\n" );
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document.write( "When x=4, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=4%5E2-4%2B41=16-4%2B41=53 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=4%5E2-4%2B41=16-4%2B41=53\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is prime.\r<BR>\n" );
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document.write( "You can try more numbers, but it turns out that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41\"   DISABLED_style= \"max-width:90%; height:auto;\" > is prime for integer values of x where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0%3C=x%3C=40 ALIGN=MIDDLE  ALT=\"0%3C=x%3C=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "When x=41, then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=41%5E2-41%2B41=1681-41%2B41=1681=41%2A41 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=41%5E2-41%2B41=1681-41%2B41=1681=41%2A41\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is NOT prime. So it's composite.\r<BR>\n" );
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document.write( "and when x=42, then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2-x%2B41=42%5E2-42%2B41=1764-42%2B41=1763=41%2A43 ALIGN=MIDDLE  ALT=\"x%5E2-x%2B41=42%5E2-42%2B41=1764-42%2B41=1763=41%2A43\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is NOT prime. So it's composite. </SPAN>\n" );
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