Free Printable Long Test #1

1.

What numbers can divide 8 without any remainders ?

a)

3

b)

5

c)

7

d)

4

2.

What numbers can divide 15 without any remainders ?

a)

12

b)

2

c)

3

d)

4

3.

Which one is NOT the factor of 12?

a)

2

b)

3

c)

6

d)

8

4.

Which one is NOT the factor of 18?

a)

3

b)

6

c)

8

d)

9

5.

Which number is a factor of 10

a)

3

b)

4

c)

5

d)

8

6.

Find ALL FACTORS of 24

a)

1, 2, 12, 24

b)

1, 2, 8, 24

c)

1, 2, 3, 4, 5, 6, 8, 12, 24

d)

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

7.

List the first 5 MULTIPLES of 3

a)

3, 6 10, 15, 20

b)

1, 3, 2, 6, 4

c)

3, 6, 9, 12, 15

d)

6, 9, 12, 15, 18

8.

These factors are for which number? 1, 3, 5, 15

a)

15

b)

5

c)

3

d)

25

9.

Which number is not a multiple of 10?

a)

20

b)

35

c)

40

d)

50

10.

What is the missing factor?

___ x 6 = 12

a)

3

b)

9

c)

6

d)

2

11.

Which list has only prime numbers?

a)

2, 3, 4, 5

b)

1, 5, 7, 9

c)

2, 3, 5, 7

d)

2, 4, 6, 8

12.

Find the prime number.

a)

0

b)

1

c)

7

d)

4

13.

What number is the only even prime number?

a)

0

b)

2

c)

1

d)

3

14.

Composite numbers:

a)

Are always bigger than prime numbers

b)

Have more than 2 factors

c)

Have 2 pairs of factors

d)

Don't have factors

15.

Which of the following is a factor of 54?

a)

4

b)

7

c)

5

d)

9

16.

What are factors?

a)

The top number in a fraction.

b)

The numbers multiplied together to make a product.

c)

The bottom number in a fraction.

d)

Angles smaller than 90 degrees.

17.

How is a prime number different from a composite number?

a)

Prime numbers are smaller than composite numbers.

b)

Composite numbers are larger than prime numbers.

c)

All odd numbers are prime numbers.

d)

Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

18.

Which of the following are multiples of 6...

a)

1, 2, 3, 6

b)

12, 18, 24

c)

2, 4, 6, 8

d)

none

19.

Is 2 a prime or composite number?

a)

Prime

b)

Composite

20.

Which number is COMPOSITE?

a)

11

b)

13

c)

21

d)

23

21.

A prime number

a)

has one factor

b)

has more than 2 factors

c)

has exactly 2 factors: 1 and the number itself

22.

Use a factor tree to find the prime factorization of 32

a)

$2\times2\times2\times2\times2$

b)

$2\times4\times4$

c)

$2\times2\times8$

d)

$2\times2\times2\times4$

23.

Use a factor tree to find the prime factorization of 50.

a)

2 x 2 x 5 x 5

b)

5 x 5 x 3 x 2

c)

2 x 5 x 5

d)

2 x 25

24.

Use a factor tree to find the prime factorization of 54.

a)

3 x 3 x 2

b)

3 x 3 x 3 x 2

c)

3 x 2 x 1 x 3

d)

3 x 3 x 1 x 5

25.

Use a factor tree to find the prime factorization of 60.

a)

2 x 3 x 3 x 2

b)

2 x 2 x 2 x 3

c)

2 x 5 x 2 x 2

d)

2 x 3 x 2 x 5

Long Test #1

Total questions: 25

Worksheet time: 59mins

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