Question

1. Which of the following is not a pair of coprime numbers?​

Answer 1

Answer:

please give options so that we can understand properly

Answer 2

Answer:

Coprime numbers are numbers that have only 1 as their HCF. 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.

Answer 3

Answer:

Coprime numbers are numbers that have only 1 as their HCF. 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.