document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=398295>Question 398295</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the smallest integer of k such that 2520k is a perfect square.          <BR>\n" );
document.write( "(can you provide answer with working) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #282258 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=282258\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2520k+=+2%5E3%2A3%5E2%2A5%2A7%2Ak ALIGN=MIDDLE  ALT=\"2520k+=+2%5E3%2A3%5E2%2A5%2A7%2Ak\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Then by inspection the least value of k is 2*5*7 = 70. </SPAN>\n" );
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