document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=475378>Question 475378</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 15th august is a monday. show that after 2^n days there will not be a monday.which are possible days? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326397 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=326397\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2^n is never a multiple of 7 (its only prime factors are 2). For integer n, 2^n can be either 1,2,4 mod 7, in which the corresponding days are Tuesday, Wednesday, and Friday. </SPAN>\n" );
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