\r\n" );
document.write( "We break
down into a product of prime factors\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Every perfect square contains exactly an even number of each\r\n" );
document.write( "of its prime factors. The product above needs a minimum of one \r\n" );
document.write( "more
, one more
, one more
, and one more
to have an \r\n" );
document.write( "even number of each of the prime factors 2,7,11,and 13.\r\n" );
document.write( "That is, it needs to be multiplied by
or
\r\n" );
document.write( "\r\n" );
document.write( "Thus if n =
, we have\r\n" );
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document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "
\n" );
document.write( " \n" );
document.write( "