That looks like homework do it yourself. We are only allowed to give hints to things like this. So to find <span>The </span>Greatest Common Factor<span> (</span>GCF<span>) of some numbers, is the largest number that divides evenly into all of the numbers. Like, the </span>GCF<span> of 27 and 63: 27: 1, 3, 9, 27 63: 1, 3, 7, 9, 21, 63 17) GCF= 9
