The factors of 18 are:1, 2, 3, 6, 9, 18The factors of 20 are:1, 2, 4, 5, 10, 20The common factors are: 1, 2The Greatest Common Factor (GCF) is: 2
The lowest common factor of any set of integers is 1.
1200 +180 =1380
The LCM is: 90
The common factors are: 1, 2
1, 2, 4
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
factors of 18: 1 2 3 6 9 18
if they have no obvious common factors (such as 3!!!!!!!) then you multiply them to get the GCF.
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