Question

which of the following are co-primes? (i)12,30 (ii)8,21 (iii)54,144 (iv)161,192​

Answer 1

Answer:

(ii)8,21

Step-by-step explanation:

100% correct answer

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Answer 2

Step-by-step explanation:

8 and 21

Because 8and 21 has no common factor .