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