Prime Time Final Assessment | Homework Practice

Core Concepts

Question 1mcq

Which of these numbers is prime?

A.

11

B.

12

C.

15

D.

21

Question 2mcq

Which number is a factor of

18

?

A.

6

B.

19

C.

17

D.

7

Question 3mcq

Which number is a factor of

30

?

A.

31

B.

7

C.

6

D.

29

Question 4mcq

Which of these numbers is prime?

A.

21

B.

12

C.

19

D.

15

Question 5mcq

While solving a fresh example in the math lab, Tara sees this question: which number is a factor of

24

?

A.

23

B.

6

C.

7

D.

25

Question 6mcq

Which of these numbers is prime?

A.

15

B.

11

C.

21

D.

12

Skill Practice

Question 7mcq

Which number is a factor of

45

?

A.

9

B.

10

C.

44

D.

46

Question 8mcq

Which number is a factor of

28

?

A.

27

B.

29

C.

8

D.

7

Question 9mcq

Which number is a factor of

32

?

A.

31

B.

9

C.

8

D.

33

Question 10mcq

Which of these numbers is prime?

A.

23

B.

21

C.

12

D.

15

Question 11mcq

Which number is a factor of

30

?

A.

29

B.

6

C.

7

D.

31

Question 12mcq

Which number is a factor of

42

?

A.

41

B.

8

C.

7

D.

43

Application and Reasoning

Question 13mcq

Which of these numbers is prime?

A.

12

B.

15

C.

17

D.

21

Question 14mcq

Which number is a factor of

36

?

A.

35

B.

37

C.

7

D.

6

Question 15mcq

Which of these numbers is prime?

A.

15

B.

21

C.

23

D.

12

Question 16mcq

Which number is a factor of

28

?

A.

7

B.

29

C.

27

D.

8

Question 17mcq

Which number is a factor of

32

?

A.

8

B.

31

C.

33

D.

9

Question 18mcq

Which number is a factor of

18

?

A.

7

B.

19

C.

6

D.

17

Mixed Challenge

Question 19mcq

Which of these numbers is prime?

A.

12

B.

15

C.

19

D.

21

Question 20mcq

Which number is a factor of

42

?

A.

41

B.

7

C.

8

D.

43

Question 21mcq

Which number is a factor of

24

?

A.

23

B.

6

C.

25

D.

7

Question 22mcq

Which of these numbers is prime?

A.

15

B.

21

C.

13

D.

12

Question 23mcq

Which number is a factor of

45

?

A.

9

B.

44

C.

46

D.

10

Question 24mcq

Which of these numbers is prime?

A.

19

B.

15

C.

12

D.

21