Four of them.
4, 12, 36
10
6 of them.
4 of them.
Four of them.
4, 12, 36
8 of them.
No factors of 2 are multiples of 24.
4
2, 6, 74 and 222 Four of them.
Four of them.
1
6. 1, 2, and 4 are not multiples of 3; the rest are.
there are 21 multiples.
10
142 has an infinite number of multiples and four factors. The factors are 1, 2, 71, 142.