GCF, LCM, and Prime & Composite Numbers

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 25?

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

Tags

CCSS.4.OA.B.4

What is the greatest common factor of 24 and 30?

• 2

• 12

• 6

• 3

What is the greatest common factor 14 and 22?

• 1

• 2

• 7

• 14

What is the greatest common factor of 8 and 10?

• 1

• 3

• 4

• 2

What is the greatest common factor of 9 and 36?

• 3

• 6

• 9

• 12

What is the greatest common factor 15 and 45?

• 3

• 15

• 5

• 30

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 15 and 2?

• 30
• 2
• 45
• 152

Tags

CCSS.4.OA.B.4

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

Tags

CCSS.4.OA.B.4