Question

Show that following pairs are co-prime:
(1) 16,21
(ii) 10,17
(iv) 12,25
(v) 84, 89​

Answer 1

Answer:

1)It is not a co-prime

because coprimes means a pair of numbers which differ by 2

21-16=5

5 is not equal to 2

2)17-10=7

7 is not equal to 2

Therefore its not a coprime

3)25-12=13

13 is not equal to 2

Therefor it is not a coprime

4)89-84=5

5 is not equal to 2

Therefore it is not a coprime

Hope it hepls you....!