document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=730320>Question 730320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi please help me with this problem- if p and q are two prime numbers such that p < q < 50, then in how many cases would (q+p) be also a prime number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #446644 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=446644\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "This looks a lot more difficult than it really is.  First thing to note:  There is only one even prime, namely 2, the smallest prime.  Second thing to note, the sum of two odd numbers is always even, so the only way that <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE p\ +\ q\"> could possibly be prime is if <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE p\ =\ 2\">.  The primes less than 50 are 2	3	5	7	11	13	17	19	23	29	31	37	41	43	47\r<BR>\n" );
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document.write( "So\r<BR>\n" );
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document.write( "2 + 3 = 5 is prime\r<BR>\n" );
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document.write( "2 + 5 = 7 is prime\r<BR>\n" );
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document.write( "2 + 7 = 9 is not prime\r<BR>\n" );
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document.write( "2 + 11 = 13 is prime ...\r<BR>\n" );
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document.write( "and so on.  You can calculate the other 10 sums and decide whether they are prime or not.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "<font face=\"Math1\" size=\"+2\">Egw to Beta kai to Sigma</font><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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