GCF and LCM

 Find the GCF of each set of numbers. 
12, 30 

• 4

• 2

• 5

• 6

Tags

CCSS.6.NS.B.4

 Find the GCF of each set of numbers. 
50, 40

• 5

• 2

• 10

• 8

Tags

CCSS.6.NS.B.4

 Find the GCF of each set of numbers. 
28, 42, 56

• 14

• 4

• 7

• 8

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 5 and 20?

• 4

• 5

• 20

• 100

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 2 and 3?

• 6

• 8

• 20

• 10

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 4 and 10?

• 4

• 40

• 15

• 20

Tags

CCSS.4.OA.B.4

List all the factors of 12

• 1, 2, 3, 4, 6, 12

• 1, 2, 4, 12

• 1, 12

• 1, 2, 3, 4, 5, 6, 12

Tags

CCSS.4.OA.B.4

Which is not a factor of 12?

• 3

• 6

• 24

Tags

CCSS.4.OA.B.4

Which of these is a factor of 10?

• 2

• 4

• 20

Tags

CCSS.4.OA.B.4

Is 52 a composite number?

• Yes

• No

Tags

CCSS.4.OA.B.4