HCF and LCM

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What is the HCF of 24, 48 and 60?

12

What is the HCF of 15, 30, and 60?

15

Oscar needs to ship 14 rock CDs, 12 pop CDs, and 8 country CDs. He can pack only one type of CD in each box and he must pack the same number of CDs in each box. What is the greatest number of CDs Oscar can pack in each box?

2

What is the LCM of 8 and 12?

24

What is the HCF of 50 and 125?

25

Abe is going to plant 54 oak trees and 27 pine trees. He would like them to be in rows that all have the same number of tress and are made up of one kind of tree. What is the greatest number of Abe can have in each row?

27

What is the LCM of 6, 10 and 15?

30

Andi is keeping an equal number of square and rectangular boxes in storage. She stores square boxes in stacks of 12 and rectangular boxes in stacks of 9. What's the smallest number of each type of box that Andi could have?

36

What is the LCM of 9 and 12?

36

What is the HCF of 35 and 60?

5

Kendra is posting 18 flyers for the science club and 6 for the art club. She wants to make all the locations with the same combination of science and art flyers. She wants no flyers left over. What is the greatest number of locations that Kendra can post at?

6

A radio station is having a promotion where every 12th caller receives a free concert ticket and every 15th caller receives a limo ride. Which caller will be the first to win both?

60

What is the LCM of 3, 4 and 5?

60


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