EduSahara™ Worksheet

EduSahara™ Assignment

Name : Prime Factorization

Chapter : Factors and Multiples

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

Find the prime factorization of
21

(i)

3

✕

5
(ii)

3

✕

6
(iii)

3

✕

7
(iv)

5

✕

7
(v)

3 2

✕

7

Question 2

2.

Find the prime factorization of
91

(i)

10

✕

13
(ii)

6

✕

13
(iii)

7

✕

13
(iv)

7

✕

13 2
(v)

4

✕

13

Question 3

3.

Find the prime factorization of
405

(i)

3 4

✕

4
(ii)

3 4

✕

3
(iii)

3 4

✕

8
(iv)

3 4

✕

5
(v)

3 4

✕

5 2

Question 4

4.

Find the prime factorization of
5346

(i)

2

✕

3 5

✕

11 2
(ii)

1

✕

3 5

✕

11
(iii)

2

✕

5 5

✕

11
(iv)

2

✕

1

✕

11
(v)

2

✕

3 5

✕

11

Question 5

5.

Find the number of prime factors of
45

(i)

0
(ii)

4
(iii)

3
(iv)

1
(v)

2

Question 6

6.

Find the number of prime factors of
84

(i)

1
(ii)

4
(iii)

0
(iv)

2
(v)

3

Question 7

7.

Find the number of prime factors of
760

(i)

1
(ii)

4
(iii)

3
(iv)

2
(v)

0

Question 8

8.

Find the number of prime factors of
2400

(i)

2
(ii)

0
(iii)

3
(iv)

1
(v)

4

Question 9

9.

Find the total number of factors of
12

(i)

5
(ii)

7
(iii)

9
(iv)

6
(v)

3

Question 10

10.

Find the total number of factors of
63

(i)

6
(ii)

5
(iii)

9
(iv)

7
(v)

4

Question 11

11.

Find the total number of factors of
32

(i)

5
(ii)

8
(iii)

6
(iv)

4
(v)

7

Question 12

12.

Find the total number of factors of
11340

(i)

60
(ii)

62
(iii)

57
(iv)

61
(v)

59

Assignment Key