1, 2, 4
1,2,3 and 6
72
The common factors are: 1, 2
eighteen twelve
Eighteen and thirty-two have two prime factors in common, 1 and 2.
1 and 2
if they have no obvious common factors (such as 3!!!!!!!) then you multiply them to get the GCF.
factors of 18: 1 2 3 6 9 18
1 if u meant the greatest common denomenater: 6 if u meant lest common multiple: 36
420
4 factors of four 1,2,4factors of twelve 1,2,3,4,6,124 is the highest one that they both have in common
2/3