3-4 GCF & LCM Practice

Which of these is a factor of 10?

• 2

• 4

• 20

• 6

Tags

CCSS.4.OA.B.4

Which is not a factor of 12?

• 3

• 6

• 24

• 4

Tags

CCSS.4.OA.B.4

Which of the following is a multiple of 7?

• 14

• 17

• 22

• 1

Tags

CCSS.4.OA.B.4

Which of the following is not a multiple of 9?

• 9

• 19

• 90

• 18

Tags

CCSS.4.OA.B.4

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

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

• 4
• 40
• 15
• 20

Find the LCM of 18 and 24.

• 6
• 72
• 24
• 5

What is the GCF of 56 and 49?

• 14

• 2

• 8

• 7

A prime number is:

• A number that is made only by multiplying 1 and itself.

• An odd number.

• A popular number.

• The least common multiple of two numbers.

Tags

CCSS.4.OA.B.4

What is the GCF of 72, 96, and 84?

• 2
• 7
• 12
• 4