Free Printable Factors multiples and primes

1.

For any given number, which one of the following is most correct?

a)

1 is always a factor

b)

1 and the given number is always a factor

c)

1 and the given number is always a multiple

d)

None of the above

2.

First, three multiples of 6 are .......

a)

6, 12, 24

b)

1, 6, 12

c)

6, 12, 18

d)

6, 18, 12

3.

9 is Prime number

a)

False

b)

True

4.

All the factors of 36 are ...

a)

1, 36

b)

2, 3

c)

2, 3, 4, 6, 9, 12, 18

d)

1, 2, 3, 4, 6, 9, 12, 18

5.

Which number is a factor of 12?

a)

2

b)

9

c)

8

d)

24

6.

Which number is a multiple of 18?

a)

2

b)

9

c)

36

d)

24

7.

What is the HCF of 32 and 40?

a)

8

b)

80

c)

2

d)

16

8.

Find the LCM of 32 and 40.

a)

1080

b)

250

c)

160

d)

204

9.

What is 60 as a product of prime factors.

a)

2 + 2 + 3 + 5

b)

2² * 3 * 5

c)

2 * 2 * 3 * 5

d)

3 * 20

10.

What is the only multiple of 11 between 30 and 40?

a)

31

b)

32

c)

33

d)

34

11.

The lowest common multiple of 5 and 6 is...

a)

10

b)

12

c)

30

d)

50

12.

The factors of 15 are...

a)

1, 3, 5

b)

0, 5, 3

c)

1, 15

d)

1, 3, 5, 15

13.

11 is a prime number...

a)

True

b)

False

14.

Composite numbers have more than two factors. For example, the number 10 is a composite number because it has factors 1, 2, 5 and 10...

a)

True

b)

False

15.

The Highest Common Factor (HCF) of 48 and 64 is:

a)

14

b)

8

c)

4

d)

16

16.

Which of the following numbers is divisible by 3?

a)

24357806

b)

35769812

c)

83479560

d)

3336433

17.

Which of the following numbers is divisible by 9?

a)

8576901

b)

96345210

c)

67594310

d)

none of these

18.

Which of the following numbers is divisible by 4?

a)

78653234

b)

98765042

c)

24689602

d)

87941032

19.

Which of the following numbers is divisible by 8?

a)

96354142

b)

37450176

c)

57064214

d)

none of these

20.

Which of the following numbers is divisible by 6?

a)

8790432

b)

98671402

c)

85492014

d)

none of these

21.

Which of the following numbers is divisible by 11?

a)

3333333

b)

1111111

c)

22222222

d)

all of these

22.

Which of the following is a prime number?

a)

117

b)

171

c)

179

d)

none of these

23.

Which of the following is a prime number?

a)

323

b)

361

c)

263

d)

All of these

24.

Which of the following are co-primes?

a)

39, 91

b)

161, 192

c)

385, 462

d)

none of these

25.

$\frac{289}{391}$ when reduced to the lowest terms is

a)

$\frac{11}{23}$

b)

$\frac{13}{31}$

c)

$\frac{17}{31}$

d)

$\frac{17}{23}$

26.

The greatest number which divides 134 and 167 leaving 2 as remainder in each case is

a)

14

b)

17

c)

19

d)

11

27.

The smallest number which when diminished by 3 is divisible by 11, 28, 36 and 45, is

a)

1257

b)

1260

c)

1263

d)

none of these

28.

The HCF of two co-primes is

a)

(a) the smaller number

b)

(b) the larger number

c)

(c) 1

d)

(d) none of these

29.

If a and b are co-primes, then their LCM is

a)

1

b)

$\frac{a}{b}$

c)

ab

d)

none of these

30.

Every counting number has an infinite number of

a)

Factors

b)

multiples

c)

prime factors

d)

none of these

31.

Which is not a factor of 24?

a)

2

b)

3

c)

4

d)

5

32.

Which is a factor of 32?

a)

3

b)

4

c)

5

d)

6

33.

Which is a factor of 95?

a)

2

b)

3

c)

4

d)

5

34.

Which is a multiple of 4

a)

22

b)

24

c)

34

d)

46

35.

Which is not a multiple of 3?

a)

18

b)

22

c)

27

d)

33

36.

Which which is not a multiple of 6?

a)

18

b)

36

c)

46

d)

96

37.

Which is a prime number?

a)

7

b)

12

c)

27

d)

36

38.

Which is not a prime number?

a)

5

b)

7

c)

9

d)

11

39.

Which is a prime number?

a)

15

b)

19

c)

21

d)

27

40.

Which is a prime factor of 60?

a)

2

b)

4

c)

6

d)

8

41.

What are the first 6 multiples of 8?

(a)

42.

Which of the following lists shows all the factors of 10?

a)

10, 20, 30, 40, 50,

b)

2, 5

c)

1, 2, 5, 10

d)

2, 5, 10

43.

Which of the following lists shows all the factors of 30?

a)

1, 30, 2, 15, 3, 10, 5, 6

b)

1, 2, 5, 6, 10, 30

c)

2, 5, 6, 10, 15, 30

d)

2, 15, 3, 10, 5, 6

44.

Which of the following numbers is PRIME?

a)

15

b)

7

c)

32

d)

18

45.

Which of the following numbers is PRIME?

a)

77

b)

81

c)

83

d)

64

46.

Which TWO of the following numbers are NOT PRIME?

a)

17

b)

35

c)

5

d)

23

e)

16

47.

What is the third Square Number?

(a)

48.

What is the value of 7 squared?

(a)

49.

What is the value of 9 squared?

(a)

50.

What is the square of 6?

(a)

51.

What is the Lowest Common Multiple (LCM) of 3 and 4?

(a)

52.

What is the LCM of 6 and 10?

(a)

53.

What is the Highest Common Factor (HCF) of 6 and 9?

(a)

54.

What is the HCF of 16 and 24?

(a)

55.

What is a Prime Number?

a)

The answer to a whole number times by itself

b)

The answers to the times tables

c)

A number that can only be divided by itself AND 1

d)

A number that can be evenly split into groups

56.

What is the first multiple of 10?

a)

0

b)

10

c)

20

d)

30

57.

Which is not a factor of 36?

a)

1

b)

5

c)

6

d)

12

58.

Which shows ALL of the factors of 14?

a)

1, 14

b)

2, 7

c)

1, 2, 7, 14

d)

1, 28

59.

Which one shows ALL of the factors of 6?

a)

1, 6, 12

b)

1, 2, 3, 6

c)

1, 2, 3,

d)

1, 6

60.

Which number is neither prime nor composite?

a)

1

b)

2

c)

3

d)

4

61.

Is 10 prime or composite?

a)

prime

b)

composite

62.

is 5 prime or composite?

a)

prime

b)

composite

63.

8, 12, 16, 20, and 24 are all multiples of ___.

a)

3

b)

6

c)

4

d)

9

64.

What are the first 5 multiples of 3?

a)

3, 6, 9, 12, 16

b)

3, 6, 9, 13, 15

c)

3, 6, 8, 12, 15

d)

3, 6, 9, 12, 15

65.

Which of these whole numbers is a factor of EVERY even number?

a)

2

b)

4

c)

6

d)

No number is a factor of EVERY even number.

66.

Which number fits all of these clues?
- Is an odd number
- is a multiple of 7
- is NOT a multiple of 2
- is a multiple of 3

a)

14

b)

21

c)

28

d)

42

67.

Which number is prime?

a)

13

b)

15

c)

18

d)

21

68.

What are the multiples of 9?

a)

9, 12, 15, 18, 21

b)

9, 18, 27, 36, 45, 54

c)

3, 6, 9, 12, 15, 18

d)

9, 19, 29, 39, 49, 59

69.

Is 3 a prime number?

a)

Yes, because it has more than one factor pair.

b)

Yes, because it only has one factor pair.

c)

No, because it has more than one factor pair.

d)

No, because it has only one factor pair.

70.

Which choice is a multiple of 11?

a)

1

b)

22

c)

23

d)

24

71.

List the first 5 multiples of 4

a)

20

b)

4 8 12 16 20

c)

1, 2, 4

d)

4, 8, 12, 16, 20, 24

72.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

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

73.

List the first 5 multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 25, 32, 40

c)

8, 16, 24, 32, 40

d)

8, 16, 24, 31, 40

74.

Which is a composite number or iNOT a prime number?

a)

3

b)

5

c)

6

d)

11

75.

What are the first 10 multiples of 7?

a)

7, 14, 21, 28, 35, 41, 49, 56, 63, 70

b)

7, 14, 28, 35, 42, 49, 56, 63, 70, 77

c)

7, 14, 21, 28, 35, 42, 49, 56, 63, 70

d)

7, 14, 21, 28, 42, 49, 56, 63, 70, 77

76.

1, 2, 3 and 6 are factors of 6.

a)

True

b)

False

77.

Seven is a factor of ...

a)

14, 27, and 72

b)

21, 28, and 42

c)

1, 7, and 14

d)

37, 47, and 57

78.

List the first (4) multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 24, 32

79.

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

80.

Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?

a)

7

b)

14

c)

22

d)

28

81.

Which number is a factor of 48?

a)

6

b)

18

c)

7

d)

9

82.

Which of the following are multiples of 6?

a)

2, 4, 6

b)

1, 2, 3, 6

c)

6, 12, 18, 24

d)

6, 12, 24, 48

83.

Which of the following shows the multiples of 12?

a)

12, 22, 53, 60

b)

4, 8, 12, 16, 24

c)

12, 24, 36, 48, 60

84.

Identify a factor of 32

a)

3

b)

4

c)

5

d)

6

85.

Identify a factor of 44

a)

11

b)

10

c)

9

d)

12

86.

Which value is not a factor of 12...

a)

1

b)

2

c)

4

d)

5

87.

List the first (4) multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 24, 32

88.

Which are factors of 20?

a)

2,10,5,4,1,20

b)

3,5,7,9

c)

40,80,100

d)

15,25,35

89.

Which number is a multiple of 5?

a)

16

b)

29

c)

40

d)

32

90.

What are the common factors of 24 and 36?

a)

1, 2, 3, 4, 6, 12

b)

1, 3, 4, 6

c)

2, 4, 12

d)

1, 2, 3, 4, 5, 12

91.

Which of the following is a factor of 12? Select all that apply.

a)

12

b)

2

c)

24

d)

3

92.

Select all of the multiples of 8.

a)

2

b)

8

c)

32

d)

4

93.

Select all of the prime numbers.

a)

3

b)

9

c)

29

d)

2

94.

Select all of the square numbers.

a)

9

b)

16

c)

24

d)

100

95.

Select all of the composite numbers.

a)

12

b)

16

c)

3

d)

7

96.

What are the factors of 15?

a)

1, 2, 3, 5, 15

b)

1, 3, 5, 15

c)

1, 2, 3, 4, 5

d)

1, 5, 10, 15

97.

What are the factors of 24?

a)

1, 2, 3, 4, 5, 6, 7, 8, 24

b)

1, 3, 4, 6, 8, 10, 24

c)

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

d)

1, 2, 4, 8, 12, 24

98.

What are the first five multiples of 3?

a)

6, 9, 15, 18, 21

b)

3, 6, 9, 12, 18

c)

3, 6, 9, 15, 18

d)

3, 6, 9, 12, 15

99.

Which one of the numbers below is prime numbers?

a)

15

b)

17

c)

16

d)

12

100.

What are the first six multiples of 7?

a)

14, 35, 21, 28, 42

b)

7, 28, 42, 35, 63

c)

7, 14, 28, 35, 42, 56

d)

7, 14, 21, 28, 35, 42

101.

Which number is neither a prime nor a composite number ?

a)

1

b)

3

c)

5

d)

7

102.

A prime number is...

a)

a number that has only one factor.

b)

a number that has at least two factors.

c)

a number that has more than two factors.

d)

a number that has only two factors.
(1 and itself)

103.

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

104.

List the first 5 multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 25, 32, 40

c)

8, 16, 24, 32, 40

d)

8, 16, 24, 31, 40

105.

Which number is prime?

a)

25

b)

11

c)

36

d)

14

106.

Which number is composite?

a)

17

b)

7

c)

5

d)

20

107.

Which number is NOT a multiple of 3?

a)

12

b)

33

c)

14

d)

21

108.

Which number is NOT a factor for 30?

a)

15

b)

2

c)

5

d)

7

109.

Which are the factors of both 6 and 15?

a)

9

b)

5

c)

6

d)

3

110.

TRUE or FALSE?

A FACTOR is greater than the number you are factoring

a)

TRUE

b)

FALSE

111.

1, 2, 3 and 6 are factors of 6.

a)

True

b)

False

112.

62 is a multiple of 8.

a)

True

b)

False

113.

The factors of 24 are...

a)

1,6,9

b)

1,8,12

c)

1,5,12

d)

15,30,48

114.

Seven is a factor of ...

a)

14, 27, and 72

b)

21, 28, and 42

c)

1, 7, and 14

d)

37, 47, and 57

115.

The factors of 35 include ...

a)

1,3,5,35

b)

5,15,20,35

c)

1,5,7,35

d)

1,2,4,7,35

116.

The missing number in this sequence 4, 7, __ , 13 is...

a)

6

b)

8

c)

10

d)

11

117.

What is the missing number in this sequence?

0, 6, 12, 18, ___, 30

a)

22

b)

28

c)

26

d)

24

118.

The next number in this sequence 0, 13, 26 39, __ is...

a)

52

b)

53

c)

54

d)

55

119.

What is the next pattern?

a)

b)

c)

120.

What is the next pattern in the sequence?

a)

b)

c)

121.

Which are the factors of 14?

a)

1,14

b)

1, 2, 7, 14

c)

2, 7

122.

Which are the factors of 24?

a)

1, 2, 3, 8, 12, 24

b)

2, 3, 4, 6, 8, 12

c)

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

123.

Which are the factors of 32?

a)

1, 2, 4, 8, 16, 32

b)

1, 32, 4, 8

c)

1, 16, 2, 32

124.

Which number has 2 as a factor?

a)

13

b)

21

c)

26

d)

33

125.

Which number is a factor of 18

a)

4

b)

7

c)

6

d)

12

126.

Which number is a factor of 24

a)

9

b)

7

c)

11

d)

12

127.

Which number is a factor of 56?

a)

7

b)

6

c)

9

d)

5

128.

Which number is a factor of 16

a)

7

b)

6

c)

9

d)

4

129.

Which number is NOT a multiple of 2?

a)

5

b)

4

c)

6

d)

8

130.

Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?

a)

7

b)

14

c)

22

d)

28

131.

List the first 5 multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 25, 32, 40

c)

8, 16, 24, 32, 40

d)

8, 16, 24, 31, 40

132.

What are the next three multiples?6, 12, 18, ___ ,___ ,___

a)

24, 30, 34

b)

24, 36, 42

c)

24, 30, 36

d)

22, 28, 34

133.

Which number is a factor of 12?

a)

2

b)

9

c)

8

d)

24

134.

Which number is a multiple of 18?

a)

2

b)

9

c)

36

d)

24

135.

Which number is a factor of 18, but not a multiple of 2?

a)

36

b)

9

c)

8

d)

24

136.

What is the HCF of 32 and 40?

a)

8

b)

80

c)

2

d)

16

137.

Find the LCM of 32 and 40.

a)

1080

b)

250

c)

160

d)

204

138.

Find the GCF of 48 and 84.

a)

2

b)

12

c)

24

d)

48

139.

What is 60 as a product of prime factors.

a)

2 + 2 + 3 + 5

b)

2² * 3 * 5

c)

2 * 2 * 3 * 5

d)

3 * 20

140.

Pick the square number.

a)

8

b)

25

c)

32

d)

27

141.

What is 25 as the sum of two prime numbers?

a)

22 + 3

b)

20 + 5

c)

23 + 2

d)

13 + 12

142.

Which number below is a cubed number?

a)

8

b)

16

c)

36

d)

144

Factors multiples and primes

Total questions: 142

Worksheet time: 2hrs 4mins

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