Greatest Common Factor

What is the GCF of 24 and 30?

• 2
• 12
• 6
• 3

Find the GCF of 14 & 22.

• 1
• 2
• 7
• 14

What is the GCF of 8 and 10?

• 1
• 3
• 4
• 2

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

Find the GCF of 21 and 28

• 3
• 4
• 7
• 14

What is the greatest common factor of 10 and 25?

• 5
• 1
• 10
• ^₁

What is the greatest common factor of 4 and 8?

• 2
• 8
• 4
• 1

What are the factors of 16 and 24?

• 16-1, 3, 6, 12, 16
  24-1, 2, 4, 6, 24
• 16-1, 2, 4, 8, 16
  24-1, 2, 3, 4, 6, 8, 12, 24
• 16-16, 32, 48, 54
  24-24, 48, 72, 86
• 16- 1, 2, 16
  24-1, 2, 12, 24

Which is a factor of 15?

• 2
• 3
• 4
• 6

Tags

CCSS.4.OA.B.4

What is the greatest common factor of 4 and 16?

• 4
• 2
• 1
• 16