document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=225297>Question 225297</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the greatest prime you must consider to test whether 503 is prime?<BR>\n" );
document.write( "I tried the smaller numbers, 2, 3, 5, 7 and then looked at a prime chart and it said it was prime, but how do I test it and choose the greatest prime? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #168169 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=168169\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the greatest prime you must consider to test whether 503 is prime?<BR>\n" );
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document.write( "Find the square root of 503 = 22.47....<BR>\n" );
document.write( "You know the greatest prime (if it has one) has to be less than 22<BR>\n" );
document.write( "that would be 19, you can check it with all primes less than 19<BR>\n" );
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