Factors and GCF

What is the GCF of 8 and 10?

• 1
• 3
• 4
• 2

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 20 and 30

• 2
• 5
• 10
• 15

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 24 and 48

• 4
• 12
• 24
• 48

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 30 and 36

• 2
• 3
• 6
• 18

Tags

CCSS.4.OA.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

Find the greatest common factor of 32 and 48

• 2
• 8
• 16
• 18

Tags

CCSS.4.OA.B.4

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

The GCF of two whole numbers is the:

• SMALLEST whole number that divides evenly into both numbers

• LARGEST whole number that divides evenly into both numbers

• Smallest whole number that both numbers divide INTO evenly

• Largest whole number that both numbers divide INTO evenly

Which is NOT a factor of 24?

• 3

• 8

• 7

• 12

Which is NOT a factor of 15?

• 3

• 6

• 5

• 1