Greatest Common Factor!

Greatest common factors of 9 and 15

• 5

• 4

• 3

Greatest common factor of 10 and 20

• 5

• 2

• 10

Find the greatest common factor of 30 and 36

• 2
• 3
• 6
• 18

Find the greatest common factor of 32 and 48

• 2
• 8
• 16
• 18

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Find the Greatest  Common Factor (GCF) of 14 & 22.

• 1
• 2
• 7
• 14

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

What is the GCF of 20 and 30?

• 5
• 2
• 10
• 20

What is the Greatest Common Factor of 35 and 42?

• 5

• 14

• 7

• 3

What is the Greatest Common Factor of 12 and 48?

• 6

• 12

• 4

• 16