Answer:

activity 1:

1. 28 and 32

2. 15 and 17

3. 28 and 35

4. 40 and 20

5. 81 and 243

Activity 2.

1. D. 62

2. should be 16 as the numbers have common divisible by 2.

3. A. 50

4. F. 24

5. B. 33