III. Find the GCF and LCM of each number using any of the methods. 11-12). 25 and 50 GCF = LCA = 13-14). 21 and 42 GCF = LCM = 15-16). 25 and 45 GCF = LCM = 17-18). 36 and 72 GCF = LCM = 19-20). 17 and 51 GCF = LC =​