<prompt> Je, ni nini kinachobaki wakati 2001 cdot 2002 cdot 2003 cdot 2004 cdot 2005 imegawanywa na 19?  <response>: Kupunguza kila kipengele cha 19 kwanza, tunaona kuwa 2001 cdot 2002 cdot 2003 cdot 2004 cdot 2005 equiv 6 cdot 7 cdot 8 cdot 9 cdot 10 equiv 1pm 1vod2 . 