Factors and Greatest Common Factors

What is the greatest common factor of 16 and 24?

What is the greatest common factor of 15 and 30?

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

What are the factors of 24?

• 2, 4, 6, 8, 12

• 1, 2, 3, 4, 6, 8, 10, 12, 24

• 1, 2, 3, 4, 5, 6, 7, 12, 24

• 12, 24, 3, 4, 2, 8, 6, 1

Tags

CCSS.4.OA.B.4

List the common factors of 12 and 24 in order from least to greatest separatd by a comma.

What is the GCF of 18 and 36?

What is the GCF of 21 and 49?

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

What is the greatest common factor of 35 and 47?

• 5

• 7

• 1

• 8

GCF 15 and 36

• 8

• 6

• 3

• 4