GCF & LCM

List all the factors of 12

• 1, 2, 3, 4, 6, 12
• 1, 2, 4, 12
• 1, 12
• 1, 2, 3, 4, 5, 6, 12

Tags

CCSS.4.OA.B.4

What are the factors of 25?

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

Tags

CCSS.4.OA.B.4

What is the GCF of 8 and 10?

• 1
• 3
• 4
• 2

Tags

CCSS.6.NS.B.4

Find the greatest common factor of 20 and 30

• 2
• 5
• 10
• 15

Tags

CCSS.6.NS.B.4

Find the greatest common factor of 24 and 48

• 4
• 12
• 24
• 48

Tags

CCSS.6.NS.B.4

The Greatest Common Factor of two prime numbers is

• 0
• 1
• There are no common factors.
• Themselves.

Tags

CCSS.6.NS.B.4

Find the greatest common factor of 30 and 36

• 2
• 3
• 6
• 18

Tags

CCSS.6.NS.B.4

Find the greatest common factor of 32 and 48

• 2
• 8
• 16
• 18

Tags

CCSS.6.NS.B.4

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Tags

CCSS.6.NS.B.4

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

Tags

CCSS.6.NS.B.4