Factors and Multiples Worksheet for Class 4

# Factors and Multiples Worksheet for Class 4

Factors and Multiples Worksheets for class 4 play a major role in revising factors and multiples concepts.

## Factors and Multiples Worksheet for Class 4 with Answers

Worksheet 1

1. Fill in the blanks.

a. 30 = 1 × _____

30 = 2 × _____

30 = _____ × 10

30 = _____ × 5

Factors of 30 are ______________

b. 36 = _____ × 36

36 = 2 × _____

36 = 3 × _____

36 = 4 × _____

36 = 6 × _____

Factors of 36 are ______________

c. 56 = 1 × _____

56 = 2 × _____

56 = _____ × 14

56 = _____ × 8

Factors of 56 are ______________

d. 81 = _____ × 81

81 = 3 × _____

81 = _____ × 9

Factors of 81 are _______________

2. Find the factors of the following numbers.

a. 24 = ________________

b. 36 = ________________

c. 42 = ________________

d. 35 = ________________

3. Write the factors of the given numbers.

a. 40: _____________

b. 28: _____________

c. 36: _____________

d. 68: _____________

e. 72: _____________

f. 96: _____________

4. List the common factors and find the HCF.

a. 9: ____________

15: ____________

HCF = ____

b. 18: ____________

4: ____________

HCF = ____

c. 15: ____________

35: ____________

HCF = ____

5. Check if the first number is a factor of the second number. If yes, put a tick or else put a cross

a. 5, 60_______

b. 3, 15________

c. 9, 72_________

d. 8, 36__________

e. 6, 32___________

f. 3, 22__________

g. 7, 63__________

h. 4, 34__________

6. Circle the number which is the HCF in each of the following pairs.

a. 10, 30

b. 15, 45

c. 18, 36

d. 54, 108

e. 42, 126

f. 100, 1000

7. Find the factors of the following numbers using division as well as multiplication methods.

a. 32 : _____________________________________

b. 66 : _____________________________________

c. 75 : _____________________________________

d. 81 : _____________________________________

e. 93 : ____________________________________

8. Fill in the blanks.

a. Every number is a multiple of _______ and ________.

b. The multiples of any number are _____________________.

c. The multiples of 10 between 30 and 90 are _____________.

d. The multiples of 7 below 84 are ______________________.

9. Draw factor trees of the following numbers.

a. 80      b. 30

c. 18       d. 45

e. 54       f. 60

g. 72       h. 28

i. 42         j. 50

10. Find next three multiples of the following numbers.

a. 8: 8, 16, 24, ___, ___, ___,

b. 12: 12, 24, 36, ___, ___, ___,

c. 9: 9, 18, 27, ___, ___, ___,

d. 15: 15, 30, 45, ___, ___, ___,

11. Find the common factors of the following pairs of numbers.

a. 24, 36          b. 32, 8

c. 12, 20          d. 48, 72

e. 21, 28          f. 10, 25

g. 54, 26          h. 25, 40

Worksheet 2

1. Form multiples of the following odd numbers.

a. 7: 7, 14, 21, ___, ___, ___,

b. 11: 11 22, 33, ___, ___, ___,

c. 5: 5, 10, 15, ___, ___, ___,

d. 17: 17, 34, 51, ___, ___, ___,

2.  Circle the prime numbers and cross out the composite numbers.

13   15    20    23    31    35   17   99   47   72   7   81   19   5   29   37   64   58

3. Find out the LCM of the following numbers.

a. 3 and 7

Multiples of 3 = _____________

Multiples of 7 = _____________

Common multiples = ________

LCM = __________________

b. 4 and 12

Multiples of 4 = _____________

Multiples of 12 = _____________

Common multiples = ___________

LCM = ____________________

4. List all the prime numbers between 1 and 20.

5. Which is the smallest prime number?

6. Find the LCM for these sets of three numbers.

a. 3, 4, 6        b. 3, 8, 12

c. 6, 7, 12      d. 3, 5, 6

7. Find the HCF of the following pairs of numbers.

a. 27, 24        b. 50, 100

c. 28, 40        d. 25, 35

8. Write down the first ten multiples of 4 and 5. Also circle the common multiples.

9. Fill in the blanks.

a. A number is divisible by 10, if it ends with ________.

b. A number is divisible by 5, if it ends with ________ or ________.

c. A number is divisible by 2, if it is ________.

d. If the digits of a number add up to a multiple of ________, then the number is divisible by 3.

e. If a number is divisible by ________ and ________ , it is divisible by 6.

10. Find the first 8 multiples of the following numbers and circle the common multiples, if any.

a. 4 and 2      b. 5 and 4

c. 3 and 9      d. 5 and 6

Worksheet 1

1. a. 30; 15; 3; 6;

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

b. 1; 18; 12; 9; 6;

1, 2, 3, 4, 6, 9, 12, 18, 36

c. 56; 28; 4; 7;

1, 2, 4, 7, 8, 14; 28, 56

d. 1; 27; 9;

1, 3, 9, 27, 81

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

b. 1, 2, 3, 4, 6, 9, 12, 18, 36

c. 1, 2, 3, 6, 7, 14, 21, 42

d. 1, 5, 7, 35

3. a. 1, 2, 4, 5, 8, 10, 20, 40

b. 1, 2, 4, 7, 14, 28

c. 1, 2, 3, 4, 6, 9, 12, 18, 36

d. 1, 2, 4, 17, 24, 68

e. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

f. 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96

4. a. HCF = 3

b. HCF = 2

c. HCF = 5

5. a. √           b. √

c. √           d. X

e. X          f. X

g. √           h. X

6. a. 10         b. 15

c. 18        d. 54

e. 42       f. 100

7. a. 1, 2, 4, 8, 16, 32

b. 1, 2, 3, 6, 11, 22, 33, 66

c. 1, 3, 5, 15, 25, 75

d. 1, 3, 9, 27, 81

e. 1, 3, 31, 93

8. a. 1 and itself

b. greater than or equal to the number

c. 40, 50, 60, 70, 80

d. 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77

9. Do it yourself

10. a. 32, 40, 48

b. 48, 60, 72

c. 36, 45, 54

d. 60, 75, 90

11. a. 1, 2, 3, 4, 6, 12

b. 1, 2, 4, 8

c. 1, 2, 4

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

e. 1, 7         f. 1, 5

g. 1, 2         h. 1, 5

Worksheet 2

1. a. 28, 35, 42

b. 44, 55, 66

c. 20, 25, 30

d. 68, 85, 102

2. Prime numbers: 13, 23, 31, 17, 47, 7, 19, 5, 29, 37

Composite numbers: 15, 20, 35, 99, 72, 81, 64, 58

3. a. LCM = 21

b. LCM = 12

4. 2, 3, 5, 7, 11, 13, 17, 19

5. 2

6. a. 12        b. 24

c. 84        d. 30

7. a. 3          b. 50

c. 4          d. 5

8. Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40

Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50

Common multiples: 20, 40

9. a. 0            b. 0 or 5

c. even       d. 3

10. a. Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32

Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16

Common multiples: 4, 8, 12, 16

b. Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40

Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32

Common multiples: 20

c. Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24

Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72

Common multiples: 9, 18

d. Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40

Multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48

Common multiples: 30

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