LCM, GCF & Divisibility

LCM

100

Find the LCM of 3, 9

9

200

Find the LCM of 8 and 12

24

300

Find the LCM of 7 and 8

56

400

Find the LCM of 6 and 9

18

500

Find the LCM of 5 and 15

15

GCF

100

Find the GCF of 8 and 2

2

200

Find the GCF of 18 and 24

6

300

Find the GCF of 14 and 21

7

400

Find the GCF of 21 & 36

7

500

Find the GCF of 32 and 8

8

Factors/Multiples

100

What are the first 5 multiples of 6?

6, 12, 18, 24, 30

200

What are the first 5 multiples of 3?

3, 6, 9, 12, 15

300

Besides, 1 and 45, what is another factor of 45?

3, 5, 9, 15

400

Besides, 1 and 90, what is another factor of 90?

2, 3, 5, 6, 9, 10, 15, 18, 30, 45

500

Besides, 1 and 24, what is another factor of 24?

2, 3, 4, 6, 8, 12

Prime Factorization

100

Write the prime factorization for 68

2 x 2 x 17

200

Write the prime factorization for 88

2 x 2 x 2 x 11

300

Write the Prime Factorization for 36

2 x 2 x 3 x 3

400

Write the Prime Factorization for 52

2 x 2 x 13

500

Write the Prime Factorization for 28

2 x 2 x 7

Distributive Property/Factoring Out GCF

100

3 (4 + 5)

12 + 15

200

3 (9 x 7)

27 + 21

300

42 + 26

2x(21+13)

400

6 + 22

2x(3+11)

500

12 + 16

4x(3+4)