Factors
Multiples
Greatest Common Factor
Least Common Multiple
Word Problems
100

List one factor of 6 other than 1 and 6

2 or 3

100

Other than 8, list any multiple of 8 that is less than 50.

16, 24, 32, 40, or 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

Double Jeopardy!

GCF or LCM? 

Timer 1 is set to beep every 8 minutes. Timer 2 is set to beep every 6 minutes. How many times will they beep at the same time in 30 minutes? 

LCM

200

List one factor of 32 other than 1 and 32

2, 4, 8, or 16

200

Other than 25, list any multiple of 25 less than 100.

50 or 75

200

What is the greatest common factor of 24 and 20?

4

200
What is the least common multiple of 4 and 9?
36
200

GCF or LCM?

You bring snacks for your basketball team every fifth game. Every third game is a home game. When will be the first time that you bring snacks to a home game?

LCM

300

Double Jeopardy!

List all of the factors of 18.

1, 2, 3, 6, 9, and 18

300

Other than 7, list three multiples of 7 less than 50.

14, 21, 28, 35, 42, 49

300
What is the greatest factor of 16 and 36?
4
300

What is the least common multiple of 3 and 5?

15

300

Solve. 

Sarah is making bead necklaces. She has 16 blue beads and 32 green beads. What is the greatest number of identical necklaces she can make if she wants to use all the beads?

16
400

List all of the factors of 32.

1, 2, 4, 8, 16, 32

400

List all the common multiples of 6 and 8 that are less than 50

24 and 48

400
What is the great common factor of 50, 35, and 15?
5
400

Double Jeopardy! What is the least common multiple of 20 and 12? 

60

400

Solve. 

Three pigs entered a race around a track. Piggly takes 12 minutes to run one lap. Piglet takes 6 minutes to run one lap and it takes Wiggly 16 minutes to run one lap. If all three pigs begin the race at the same time, how many minutes will it take for all three pigs to be at the starting point again?

48 minutes

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

Solve. 

Johnny baked 36 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers for his teacher friends at school. He wants to divide the cookies into identical containers so that each container has the same number of each kind of cookie. If he wants each container to have the greatest number of cookies possible, how many plastic containers does he need?

12 plastic containers

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