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Question Make different arrays for the following numbers. Identify the factors in each case.
(a) 10
Factors of 10 are 1, 2, 5, and 10.
(b) 14
Solution:
Factors of 14 are 1, 2, 7, and 14.
(c) 13
Solution:
Factors of 13 are 1 and 13 only. So, 13 is a prime number.
(d) 20
Solution:
Factors of 20 are 1, 2, 4, 5, 10, and 20.
(e) 25
Solution:
Factors of 25 are 1, 5, and 25.
(f) 32
Solution:
Factors of 32 are 1, 2, 4, 8, 16, and 32.
(g) 37
Solution:
Factors of 37 are 1 and 37 only. So, 37 is a prime number.
(h) 46
Solution:
Factors of 46 are 1 , 2, 23 and 46.
(i) 54
Solution:
Factors of 54 are 1, 2, 3, 6, 9, 18, 27 and 54.
NCERT Textbook Pages 166-170
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