Question

4 list all the factors. circle the gcf. 12: 9: list 7 multiples. circle the lcm. 2: 3:

Explanation:

Step1: Find factors of 12

The factors of 12 are 1, 2, 3, 4, 6, 12.

Step2: Find factors of 9

The factors of 9 are 1, 3, 9.

Step3: Determine GCF

The common factors of 12 and 9 are 1 and 3. The greatest common - factor (GCF) is 3.

Step4: List 7 multiples of 2

The multiples of 2 are 2, 4, 6, 8, 10, 12, 14.

Step5: List 7 multiples of 3

The multiples of 3 are 3, 6, 9, 12, 15, 18, 21.

Step6: Determine LCM

The common multiples of 2 and 3 are 6, 12, 18, etc. The least common multiple (LCM) is 6.

Answer:

12: 1, 2, 3, 4, 6, 12 (circle 3)
9: 1, 3, 9
2: 2, 4, 6, 8, 10, 12, 14 (circle 6)
3: 3, 6, 9, 12, 15, 18, 21