Factors and Multiples Pretest Questions to Study

1. What numbers are common factors of 18, 27, and 36?
1. 9
2. 1, 9
3. 1, 3, 9
4. 1, 3, 9, 12, 18
2. What is the first common multiple of 3 and 8?
1. 12
2. 24
3. 32
4. 36
3. Which is a prime number?
1. 12
2. 24
3. 31
4. 36
4. Which number is a factor of 63?
1. 2
2. 5
3. 6
4. 9
5. The number 6 is . . .
1. prime
2. composite
3. neither prime or composite
4. both prime and composite
6. How many factors does the number 17 have?
1. 1
2. 2
3. 4
4. 17
7. The number 51 is . . .
1. Divisible by 2
2. Divisible by 3
3. Divisible by 5
4. A prime number
8. Which number is a factor of 54?
1. 3
2. 4
3. 5
4. 7

9. Which is true about the numbers 5 and 10?
1. 5 is a multiple of 10
2. 10 is a factor of 5
3. 10 is a common multiple of 5 and 10
4. 15 is a common multiple of 5 and 10
10. What numbers are common factors of 18, 36, and 72?
1. 1, 18
2. 1, 2, 9, 18
3. 1, 2, 3, 6, 9, 18
4. 1, 2, 3, 4, 6, 8, 12, 18, 24, 36, 72
11. What number is next in the pattern?

8, 11, 10, 13, 12, 15, 14, 17

1. 15
2. 16
3. 18
4. 20

12. When counting by 7s, what number would come next?

7, 14, 21, 28, 35

1. 36
2. 40
3. 42
4. 49

13. The first number in a pattern is 60 and the rule to the pattern is subtract 3. What is the fifth number in the pattern?

1. 75
2. 72
3. 48
4. 45

14. The first number in a pattern is 4 and the rule to the pattern is add 5. Which could be the pattern?

1. 4, 8, 13, 18, 23, 28
2. 4, 9, 14, 19, 24, 29
3. 5, 9, 13, 17, 21, 25
4. 9, 14, 19, 24, 29, 34

15. What is the rule for the pattern?

21, 29, 26, 34, 31, 39, 36

1. Subtract 8, add 3
2. Add 5, subtract 3
3. Add 8, subtract 3
4. Subtract 3, add 8

Answers:

1. c
2. b
3. c
4. d
5. b
6. b
7. b
8. a
9. c
10. c
11. b
12. c
13. c
14. b
15. c