GCF and LCM

Identify the common factors of 8 and 12.

• 1,2,6

• 1,2,4

• 1,3,12

• 1,4,6

Tags

CCSS.6.NS.B.4

Identify the common factors of 10 and 15.

• 2 and 5

• 1 and 5

• 10 and 15

• 2 and 15

Tags

CCSS.4.OA.B.4

Find the GCF of 6 and 12

• 2

• 3

• 6

• 12

Tags

CCSS.6.NS.B.4

Find the GCF of 44 and 55

• 11

• 1

• 99

• 3

Tags

CCSS.6.NS.B.4

Find the GCF of 28 and 42

• 2

• 7

• 14

• 4

Tags

CCSS.6.NS.B.4

Select all that apply.

5 is the GCF of which number(s)

• 35

• 15

• 20

• 42

Tags

CCSS.6.NS.B.4

Find the GCF of 12,42, and 60

• 2

• 14

• 6

• 3

Tags

CCSS.6.NS.B.4

Identify the first three common multiples of the set of numbers.

2 and 4

• 8, 12, and 20

• 4, 12, and 20

• 4, 8, and 16

• 4, 8, and 12

Tags

CCSS.6.NS.B.4

Find the first three common multiples of 2 and 7.

• 14, 28, and 49

• 2, 14, and 42

• 14, 28, and 42

• 14, 28, and 56

Tags

CCSS.6.NS.B.4

Find the LCM of 5, 9, and 15

• 90

• 45

• 80

• 180

Tags

CCSS.6.NS.B.4