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Factors
Multiples
Greatest Common Factor
Least Common Multiple
Word Problems
100
List all of the factors of 32.
1, 2, 4, 8, 16, and 32
100
List 3 multiples of 8 that are less than 50.
8, 16, 24, 32, 40, 48
100
What is the greatest common factor of 12 and 15
3
100

What is the least common multiple of 3 and 7?

21

100

At the gym, Ms.Nairn swims every 6 days, runs every 4 days, and cycles every 16 days. If she did all three activities today, in how many days will she do all three activities again on the same day?



In 48 days, she will do all three on the same day.




200
List all of the common factors of 12 and 20.
1, 2, and 4
200
List 3 common multiples of 2 and 6.
6, 12, 18, 24, 30, 36, 42, 48, etc.
200
What is the greatest common factor of 24 and 20?
4
200

What is the least common multiple of 4 and 16?

16

200

Owen needs to ship 14 rock CDs, 12 classical CDs, and 8 pop 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 Owen can pack in each box?


He can pack 2 CDs in each box.


300
List all of the factors of 42.
1, 2, 3, 6, 7, 14, 21, 42
300
List all the common multiples of 6 and 8 that are less than 50.
24 and 48
300
What is the greatest factor of 16 and 36?
4
300
What is the least common multiple of 2, 3, and 5?
30
300

I want to plant 45 sunflower plants, 81 corn plants and 63 tomato plants in my garden. If I put the same number of plants in each row and each row has
only one type of plant, what is the greatest number of plants I can put in one row?


I can put 9 in each row.


400
List all of the factors of 52.
1, 2, 4, 13, 26, and 52
400
List 4 multiples of 7 greater than 10 but less than 50.
14, 21, 28, 35, 42, 49
400
What is the great common factor of 50, 35, and 15?
5
400
What is the least common multiple of 20 and 12?
60
400

Cups are sold 6 to a package and plates are sold 8 to a package. If you want to have the same number of each item for a party, what is the least number of packages of each you need to buy?


He needs to buy 4 packages of cups and 3 packages of plates.


500
List all of the common factors of 24 and 36.
1, 2, 3, 4, 6, 12
500
List all the common multiples of 12 and 18 that are less than 75.
36 and 72
500
What is the greatest common factor of 64 and 80?
16
500
What is the least common multiple of 21 and 24?
168
500

Siddhant bought 24 hamburgers, 48 chocolate bars and 36 cans of soda to celebrate his birthday with his classmates. In 5 hours, he prepared the food so that each of his classmates would receive the same amount of food. How many classmates did he prepare food for? How many hamburgers, chocolate bars and cans of soda will each classmate receive?



He prepared the food for 12 classmates.