GCF and LCM

What is the Greatest Common Factor of 40 and 100?

• 20

• 10

• 5

• 1

Tags

CCSS.6.NS.B.4

What is the GCF of 15 and 20?

• 2

• 0

• 1

• 5

Tags

CCSS.6.NS.B.4

What is the GCF of 9 and 4?

• 0

• 1

• 3

• 5

Tags

CCSS.6.NS.B.4

What is the GCF of 56 and 80?

• 8

• 4

• 2

• 1

Tags

CCSS.6.NS.B.4

What is the GCF of 60 and 85?

• 1

• 7

• 12

• 5

Tags

CCSS.6.NS.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

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5

What is the least common multiple of 6 and 12?

• 2

• 12

• 24

• 36

Tags

CCSS.6.NS.B.4

What is the least common multiple of 6 and 9?

• 3

• 18

• 36

• 54

Tags

CCSS.6.NS.B.4

What is the least common multiple of 8 and 9?

• 144

• 36

• 18

• 72

Tags

CCSS.6.NS.B.4