Quiz about GCF/LCM

Question 1

Find the GCF of 64 and 144

Accepted Answer

16

Answer

8

Answer

6

Answer

2

Question 2

Is this question asking to find GCF or LCM?

Accepted Answer

GCF

Answer

LCM

Question 3

Find the LCM of 42 and 66

Accepted Answer

462

Answer

2772

Answer

6

Answer

132

Question 4

Is this question asking to find GCF or LCM?

Accepted Answer

LCM

Answer

GCF

Question 5

Find the LCM of 18 and 24

Accepted Answer

72

Answer

6

Answer

24

Answer

5

Question 6

Is this question asking to find GCF or LCM?

Accepted Answer

LCM

Answer

GCF

Question 7

What is the least common multiple (LCM) of 4 and 10?

Accepted Answer

20

Answer

4

Answer

40

Answer

15

Question 8

Find the LCM of 27 and 30.

Accepted Answer

270

Answer

27

Answer

30

Answer

90

Question 9

Which of the choices is a factor of 10?

Accepted Answer

2

Answer

4

Answer

6

Answer

8

Question 10

Find the GCF of 12 and 6.

Accepted Answer

6

Answer

1

Answer

2

Answer

3

Question 11

Which choice is a multiple of 11?

Accepted Answer

22

Answer

1

Answer

23

Answer

24

Question 12

What is a prime number?

Accepted Answer

A number whose only factors are 1 and itself.

Answer

A number greater than one.

Answer

A number who has factors other than one and itself.

Answer

Any whole number.

Question 13

51 is a _____________ of 3

Accepted Answer

Multiple

Answer

Factor

Question 14

Find the LCM of 12 and 6.

Accepted Answer

12

Answer

6

Answer

2

Answer

1

Question 15

What is a composite number?

Accepted Answer

A number who has factors other than one and itself.

Answer

A number greater than one.

Answer

A number whose only factors are 1 and itself.

Answer

Any whole number.

Question 16

Which choice shows a multiple of 8?

Accepted Answer

8

Answer

4

Answer

2

Answer

1

Question 17

Which is a NOT a factor of 9?

Accepted Answer

0

Answer

1

Answer

3

Answer

9

Question 18

6 is a ____________ of 30.

Accepted Answer

Factor

Answer

Multiple

Question 19

What are the multiples of 9?

Accepted Answer

9, 18, 27, 36, 45, 54

Answer

9, 12, 15, 18, 21

Answer

3, 6, 9, 12, 15, 18

Answer

9, 19, 29, 39, 49, 59

Question 20

Which of the following is a prime number?

Accepted Answer

13

Answer

1

Answer

4

Answer

27

Question 21

30 is a _____________ of 6

Accepted Answer

Multiple

Answer

Factor

Question 22

Find the prime factorization of 120.

Accepted Answer

2³ x 3 x 5

Answer

3 x  5 x  8

Answer

2² x 3 x 5

Answer

2 x 3² x 5

Question 23

There are 69 species of lightning bugs in the United States. A museum designing a rectangular display of these 69 species with the same number of lightning bugs in each row. How many displays are possible?

Accepted Answer

4

Answer

6

Answer

8

Answer

10

Question 24

Find the GCF of 64 and 144

Accepted Answer

16

Answer

8

Answer

6

Answer

2

Question 25

Find the LCM of 18 and 24

Accepted Answer

72

Answer

6

Answer

24

Answer

5

Question 26

Find the LCM of 42 and 66

Accepted Answer

462

Answer

2772

Answer

6

Answer

132

Question 27

You lift weights every third day and take karate class every Monday. Today you have karate and are lifting weights. In how many days will you lift weights and have karate on the same day?

Accepted Answer

21

Answer

7

Answer

10

Answer

14

Question 28

Ginny has two vegetable gardens. In the first garden, Ginny grows tomatoes every 2 years. In the second garden, Ginny grows tomatoes every 3 years. This year, Ginny grows tomatoes in both gardens. In how many years will she grow tomatoes in both gardens again?

Accepted Answer

6

Answer

1

Answer

4

Answer

5

Question 29

Question 29.

Accepted Answer

LCM

Answer

GCF

Question 30

Question 30.

Accepted Answer

LCM

Answer

GCF

Question 31

Question 31.

Accepted Answer

LCM

Answer

GCF

Question 32

What is the GCF of 18 and 24?

Accepted Answer

6

Answer

3

Answer

8

Answer

9

Question 33

What is the GCF of 4 and 12?

Accepted Answer

4

Answer

3

Answer

1

Answer

6

Question 34

What is the greatest factor of 28 and 49?

Accepted Answer

7

Answer

1

Answer

2

Answer

12

Question 35

What is the prime factorization of 30?

Accepted Answer

2x3x5

Answer

3x3x5

Answer

2x3x6

Answer

3x10

Question 36

What is the GCF of 20 and 30?

Accepted Answer

10

Answer

5

Answer

2

Answer

20

Question 37

What is the greatest factor of 28 and 49?

Accepted Answer

7

Answer

1

Answer

2

Answer

12

Question 38

What is the least common multiple (LCM) of 5 and 20?

Accepted Answer

20

Answer

4

Answer

5

Answer

100

Question 39

What are the first 5  multiples of 20?

Accepted Answer

20, 40, 60, 80, 100

Answer

1, 2, 4, 5, 10, 20

Answer

1, 5, 10, 15, 20

Answer

40, 60, 80, 100, 120

Question 40

What are the first 5 multiples of 60?

Accepted Answer

60, 120, 180, 240, 300

Answer

1, 2, 3,  10, 30, 60

Answer

60, 90, 120, 150, 180

Answer

10, 20, 30, 40, 50, 60

Question 41

What is LCM?

Accepted Answer

Least Common Multiple

Answer

Least Common Mouse

Answer

Least Common Factor

Answer

Let's Cry and Multiply

Question 42

Multiples of 20: 20, 40, 60, 80, 100, 120
Multiples of 60: 60, 120, 180, 240, 300
What is the LCM?

Accepted Answer

60

Answer

20

Answer

120

Answer

There isn't one.

Question 43

Multiples of 10: 10, 20, 30, 40, 50, 60
Multiples of 15: 15, 30, 45, 60, 75
Find LCM

Accepted Answer

30

Answer

10

Answer

15

Answer

60

Question 44

Ferris Wheel A turns in 10 seconds.
Ferris Wheel B turns in 25 seconds.
When is the first time they are on the ground together?

Accepted Answer

50

Answer

10

Answer

25

Answer

100

Question 45

What is the least common multiple (LCM) of 15 and 2?

Accepted Answer

30

Answer

2

Answer

45

Answer

152

Question 46

What is the LCM of 6, 12, and 15?

Accepted Answer

60

Answer

3

Answer

24

Question 47

What is the least common multiple (LCM) of 5 and 20?

Accepted Answer

20

Answer

4

Answer

5

Answer

100

Question 48

What is the least common multiple (LCM) of 2 and 3?

Accepted Answer

6

Answer

8

Answer

20

Answer

10

Question 49

Find the LCM of 27 and 30.

Accepted Answer

270

Answer

27

Answer

30

Answer

90

GCF/LCM

49 questions

Find the GCF of 64 and 144

Is this question asking to find GCF or LCM?

Find the LCM of 42 and 66

Is this question asking to find GCF or LCM?

Find the LCM of 18 and 24

Is this question asking to find GCF or LCM?

What is the least common multiple (LCM) of 4 and 10?

Find the LCM of 27 and 30.

Which of the choices is a factor of 10?

Find the GCF of 12 and 6.

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