8145 /www/nrich/html/content/id/8145/ 10 0000-00-00T00:00:00 <mdoxml version="1.0"><p> </p> <p>Looking for favourite &quot;rich tasks&quot; from the NRICH collection?</p> <p>These resources have been chosen because they are ideal for developing  knowledge and understanding of Factors and Multiples.</p> <p> </p> <p> </p></mdoxml> 2 3 0 0 1 1 0