18
eighteen has six factors namely, 1,2,3,6,9, and18.
180
1,2,3,6,9,18
The common factors are: 1, 2
1,2,3 and 6
8: 1,2,4,8 18: 1,2,3,6,9,18
1, 2, 4
1 and 2
factors of 18: 1 2 3 6 9 18
The factors of 18 are: 1, 2, 3, 6, 9, 18
Eighteen and thirty-two have two prime factors in common, 1 and 2.
400 800 1200 multiples of 4