Question

5. Select the coprime numbers from the following pairs of numbers.
(b) 18 and 17 (C) 36 and 25 (d) 35 and 21
(a) 7 and 14
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Answer 1

Step-by-step explanation:

7 = 1 × 7

14 = 2 × 7

H. C. F = 7

b) 18 and 17

18 = 1 × 2 × 3 × 3

17 = 1 × 17

H. C. F = 1

c) 36 and 25

36 = 1 × 2 × 2 × 3 × 3

25 = 1 × 5 × 5

H. C. F = 1

d) 35 and 25

35 = 5 × 7

25 = 5 × 5

H. C. F = 5

Hence,

b) (.18,17) and c) ( 36,25) are coprime number.

Answer 2

Answer:

(17 and 18),(36 and 25)

are the coprime number...

Step-by-step explanation:

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