Factors and Multiples

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Class:

Date:

Show your work for each problem.

1.
Which number is a factor of 20?
1. a)6
2. b)8
3. c)3
4. d)4
2.
Which number is a multiple of 6?
1. a)16
2. b)30
3. c)34
4. d)22
3.
How many factors does 12 have?
4.
What is the third multiple of 7?
5.
Which statement is TRUE?
1. a)21 is a multiple of 21 only
2. b)7 is a multiple of 21
3. c)21 is a factor of 7
4. d)7 is a factor of 21
6.
What is the largest factor of 24 that is less than 24?
7.
Which number is both a factor of 36 AND a multiple of 3?
1. a)10
2. b)9
3. c)4
4. d)8
8.
Find all the factors of 28.
9.
List the first 6 multiples of 8.
10.
A number has exactly 4 factors: 1, 2, 4, and itself. What is the number?
11.
You have 30 apples to put into bags. Each bag must have the same number of apples. What are all the possible ways to divide them?
12.
How many factors does 36 have?
1. a)9
2. b)8
3. c)7
4. d)6
13.
What is the smallest multiple of 7 that is greater than 50?
14.
Bus A arrives every 12 minutes. Bus B arrives every 8 minutes. If both buses arrive at 3:00 PM, when will they both arrive together again?
15.
Find all common factors of 24 and 36.
16.
What is the smallest number that is both a multiple of 4 and a multiple of 6?