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Are 15 and 21 relatively prime?

Anonymous

∙ 14y ago

Updated: 12/23/2022

No, they are not. Both are divisible by 3.

Wiki User

∙ 14y ago

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I need to know which pair of numbers in relatively prime 10 and 21 or 12 and 54 or 15 and 27 or 21 and 38?

hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime

Is 15 and 21 relatively prime?

Yes, 15 and 21 are relatively prime because they have no common positive factors other than 1. The prime factorization of 15 is 3 and 5, while the prime factorization of 21 is 3 and 7. The only common factor is 3, which means they are not relatively prime.

Are 21 and 44 relatively prime?

Yes, they are relatively prime.

Is 4 and 21 relatively prime?

Yes, they are relatively prime.

Are 16 and 21 relatively prime?

Yes, they are relatively prime.

Related Questions

I need to know which pair of numbers in relatively prime 10 and 21 or 12 and 54 or 15 and 27 or 21 and 38?

hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime

Is 15 and 21 relatively prime?

Yes, 15 and 21 are relatively prime because they have no common positive factors other than 1. The prime factorization of 15 is 3 and 5, while the prime factorization of 21 is 3 and 7. The only common factor is 3, which means they are not relatively prime.

Is 21 relatively prime?

It can be. 21 is relatively prime with 32.

Which pair of number is relatively prime 10 and 21 12 and 54 15 and 27 21 and 39?

10 and 21

Are 21 and 44 relatively prime?

Yes, they are relatively prime.

Are 10 and 21 relatively prime?

Yes, they are relatively prime.

Are 20 and 21 relatively prime?

Yes, they are relatively prime.

Is 4 and 21 relatively prime?

Yes, they are relatively prime.

Are 16 and 21 relatively prime?

Yes, they are relatively prime.

Why is 17 relatively prime with 21?

Yes, they are relatively prime.

Are 21 and 88 relatively prime?

Yes, they are relatively prime.

Are 14 and 21 relatively prime?

No, 14 and 21 are not relatively prime. They share the factor 7.No.

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