GCF and D2PS

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of 20 and 30?

• 5
• 2
• 10
• 20

GCF of 24 and 56

• 2
• 4
• 6
• 8

find the gcf of 5,25

• 25
• 10
• 2
• 5

list the factors of 10

• 1,2,3,4,5,6,7,8,9,10
• 5,10,15,20,25,30
• 1,2,5,10
• 10,20,30,40,

What are the factors of 25?

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

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

What is the GCF? 5x²+20x

• 5
• x
• 5x
• 20x