Least Common Multiple and Greatest Common Factor

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

What is the greatest common factor of 24 and 36?

• 2

• 3

• 12

• 24

What is the LCM of 15 and 10?

• 15

• 25

• 30

• 20

What is the LCM of 6 and 24? 

• 3
• 6
• 12
• 24

What is the LCM of 2, 4, 6?

• 6

• 12

• 4

• 2

Sara had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?

• 4
• 2
• 48
• 8

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 Greatest Common Factor of 35 and 49?

• 5

• 7

• 1

• 17

What is the Greatest Common Factor of 12 and 48?

• 6

• 12

• 4

• 16

What is the Least Common Multiple of 4 and 14?

• 28

• 42

• 56

• 24