Factor, GCF/LCM/ Prime Factorization

GCF of 99 and 54

• 9
• 3
• 6
• 8

Tags

CCSS.6.NS.B.4

What is the GCF and LCM of 12 and 18?

• 6 and 18

• 6 and 36

• 12 and 36

• 3 and 36

Tags

CCSS.6.NS.B.4

What is the GCF and LCM 9 and 15?

• 3 and 15

• 9 and 3

• 45 and 3

• 3 and 45

Tags

CCSS.6.NS.B.4

What is the least common multiple of 5 and 9? 

• 45
• 40 
• 20 
• 50 

Tags

CCSS.6.NS.B.4

Use a factor tree to find the prime factorization of 48

• 2x4x6

• 2²x4x3

• 2⁴*3

• 4*12

Create a factor tree and find the prime factorization for 80

• 2⁴⋅5

• 4²⋅5

• 2⋅2⋅2

• 8⋅5⋅2

Tags

CCSS.6.EE.A.1

A radio station is giving away a $100 bill to every 30th caller and movie tickets to every 40th caller.  Which caller will be the first to win both prizes?

• 5
• 2
• 10
• 120

Tags

CCSS.6.NS.B.4

Maya 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

Using a Factor Tree, find the prime factorization of 48 in expanded form. 

• 2 x 12 x 12
• 2 x 2 x 2 x 2 x 3 x 3 x 5
• 2 x 2 x 2 x 2 x 3
• 7 x 7 x 7 

GCF of 27 and 70

• 3

• 5

• 1

• 10