Question

Which of the following are pairs of co-primes?
(1) 8, 14 (ii) 4, 5
(iii) 17, 19 (iv) 27, 15

Answer 1

Answer:

(4,5), (17,19)

Step-by-step explanation:

The factors of 4 : 1,2,4

The factors of 5 : 1,5

There are no common factor except 1.

So it is a co prime.

The factors of 17 : 1,17

The factors of 19 : 1,19

There are no common factors except 1

So it is a co prime

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