Question

what are co-prime numbers in the following
a-18 and 35
b-17 and 68

Answer 1

Answer:

18 and 35 have no common factors, Therefore 18 and 35 are coprime numbers. As they have no common factors, 15 and 37 are co-prime numbers. As they have a common factor - 5, hence 30 and 415 are not co-prime.

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Answer 2

Answer:

Option (a) is the correct answer.

18 and 35 are co-prime numbers.

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