document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=288317>Question 288317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the prime factors of 1058 are 2,2r-1,2r-1 Find \"r\" </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208984 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=208984\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1058/2=529<BR>\n" );
document.write( "sqrt529=23<BR>\n" );
document.write( "2r-1=23<BR>\n" );
document.write( "2r=23+1<BR>\n" );
document.write( "2r=24<BR>\n" );
document.write( "r=24/2<BR>\n" );
document.write( "r=12 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "2(2*12-1)(2*12-1)=1058<BR>\n" );
document.write( "2(24-1)(24-1)=1058<BR>\n" );
document.write( "2*23*23=1058<BR>\n" );
document.write( "1058=1058<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );