Question

which of the following is a pair of co- primes? a) 42, 20 b)27, 72 c) 35, 37 d) none of these
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Answer 1

Answer:

c) 35, 37 is coprime

Step-by-step explanation:

Coprime is a pair of numbers with its GCF(Greatest Common Factor) as 1

So,

Factors of :-

35 = 1, 5, 7

37 = 1 (Prime number)

Therefore, GCF of 35, 37 is only 1

Therefore, it is a co-prime pair