GCF and LCM Quiz

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 15 and 2?

• 30
• 2
• 45
• 152

Tags

CCSS.6.NS.B.4

Fill in the missing multiple.
3:  3, 6, 9, ___, 15, 18, 21

• 10
• 11
• 12
• 13

Tags

CCSS.4.OA.C.5

Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?

• 7
• 14
• 22
• 28

Tags

CCSS.4.OA.B.4

List all the factors of 18

• 1, 6, 9, 18
• 1, 2, 3, 4, 18
• 1, 2, 3, 6, 9, 18
• 2, 6, 9, 18

What is the GCF of 24 and 40?

• 1
• 2
• 4
• 8

Tags

CCSS.6.NS.B.4

Find the GCF of 12 and 6. 

• 1
• 6
• 2
• 3

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 GCF of 6 and 30

• 1

• 2

• 3

• 5

Find the LCM of 3 and 8

• 3

• 6

• 12

• 24