Can you help me solve the problem?

Use number bank to solve. Number Bank is 42, 14, 16, 24, 84.

1. I have exactly 3 factors in common with the number 12.

2. I have exactly 2 factors in common with the number 12.

3 answers

Factors of 12:
1, 12, 2, 6, 3, 4

Factors of 16:
1, 2, 4 (and others)

Factors of 14:
1, 2 (and others)
I still don't understand which one have exactly 3 factors in common with the number 12. Can you please explain?
16 has exactly 3 factors in common with 12. Factors of both 12 and 16 are: 1, 2, and 4.