LCM & HCF

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

Find the HCF of 21 and 28

• 3
• 4
• 7
• 14

Tags

CCSS.6.NS.B.4

What is the LCM of 4 and 12? 

• 4
• 8
• 12
• 16

Tags

CCSS.6.NS.B.4

Find the HCF of 12 and 15 ?

• 2
• 2 x 3
• 3
• 60

Tags

CCSS.6.NS.B.4

Find the HCF of 40 and 60?

• 10
• 20
• 30
• None of the above

Tags

CCSS.6.NS.B.4

What is the LCM of 6 and 8 ?

• 12
• 18
• 24
• 36

Tags

CCSS.6.NS.B.4

Find the HCF of 30 and 36

• 2
• 3
• 4
• 6

Tags

CCSS.6.NS.B.4

2

• Prime

• Composite

Tags

CCSS.4.OA.B.4

15

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Find the HCF of 12 and 16...

• 2

• 4

• 6

• 8

Tags

CCSS.6.NS.B.4