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

What numbers is 552 divisible by?

2, 3, 6

400

What numbers is 90 divisible by?

2, 3, 5, 6,9,10

500

What numbers is 870 divisible by?

2, 3, 5, 6, 10

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)