Finding LCM and GCF

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 6 and 8?

• 6
• 2

• 48
• 24

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 15 and 5?

• 5

• 3

• 15

• 75

Tags

CCSS.6.NS.B.4

Find the Greatest Common Factor (GCF) OF 32 and 64.

• 1
• 2
• 4
• 32

Tags

CCSS.6.NS.B.4

Find the Greatest Common Factor (GCF) of 12 & 27

• 1

• 3

• 9

• 12

Tags

CCSS.6.NS.B.4

Find the Greatest Common Factor (GCF) OF 12,  18 & 30

• 1
• 3
• 6
• 12

Tags

CCSS.6.NS.B.4

Find the Greatest Common Factor (GCF) of 60 and 75

• 1
• 3
• 5
• 15

Tags

CCSS.6.NS.B.4

What is the LCM?

• The LCM is the least common factor that both numbers share the least. 
• The LCM is a multiple that both numbers share the most.  
• The LCM is a multiple that both numbers share the least. 
• The LCM is a factor that both numbers share the least. 

Tags

CCSS.6.NS.B.4

Karen has 30 photos from a trip to Dallas and 48 photos from a trip to Austin. She wants to put all the photos in an album so that the photos from each trip are in separate sections. What is the greatest number of photos she can put on each page?

• 18 photos
• 6 photos
• 240 photos

Tags

CCSS.6.NS.B.4

What is the least common denominator of 1/7 and 3/6?

• 14
• 21
• 7
• 42

Tags

CCSS.6.NS.B.4