Yes, they are relatively prime.
Yes.
It can be. 21 is relatively prime with 32.
Yes, 13 and 17 are relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
17 and 68 are not relatively prime because they have 17 as a common factor.
Yes, they are relatively prime.
No, 14 and 21 are not relatively prime. They share the factor 7.No.