Question

are 18 and 30 pair of coprime ?​

Answer 1

Answer:

Yes, 18 and 35 are co-prime numbers. The factors of 18 are 1, 2, 3, 6, 9, and 18 while the factors of 35 are 1, 5, 7, and 35.

Step-by-step explanation:

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Answer 2

Answer:

No

Step-by-step explanation:

Prime Factors of 18 -> 2 x 3 x 3

Prime Factors of 30 -> 2 x 3 x 5

Here, HCF of 18 and 30 = 6, which is more than 1.

Hence, 18 and 30 are not co primes

By the way, Co-Primes are numbers which have their HCF only 1.