Factors
N/A
Greatest Common Factor
Least Common Multiple
N/A
100

List all of the factors of 48.

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

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 10 and 12

2

100

What is the least common multiple of 4 and 7?

28

100
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?
1
200

List all of the common factors of 12 and 24.

1, 2, 3, 4, 6, 8, 12

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 40?

8
200

What is the least common multiple of 5 and 6?

30

200
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?
15th game
300

List all of the factors of 45.

1, 3, 5, 9, 15, 45

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 18 and 33?

3

300

What is the least common multiple of 2, 9, and 15?

90
300
Sarah is making bead necklaces. She has 60 blue beads and 72 green beads. What is the greatest number of identical necklaces she can make if she wants to use all the beads?
6
400

List all of the factors of 72.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

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 100, 25, and 15?

5

400

What is the least common multiple of 10 and 8?

40
400
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 13 and 52.

1, 13

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 77 and 121?

11

500

What is the least common multiple of 12 and 14?

84

500
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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