N is the set of whole numbers that are factors of 12

Question

asked Jan 15, 2019 7.8k views

2 Answers

Dadinck · Answer 1 · 2019-01-16T04:13:52+0000

Lets factor.

12 | 2

6 | 2

3 | 3

1

So,

12 = 2 . 2 . 3

So we can say: 2 and 3 are factors obviously.

We have 2 . 2 so, 2 . 2 = 4, he's a factor too.

We have 2 . 3 so, 2 . 3 = 6, he's a factor too.

Every number have 1 and himself as his factor.

So, n is {1, 2, 3, 4, 6, 12}