No, 72 and 252 are not relatively prime. No pair of even numbers can be relatively prime.
they are not relatively prime
No, they are not relatively prime.
55 and 72 are relatively prime because they have no prime factors in common.
It can be. 21 is relatively prime with 32.
72 and 115 are relatively prime, having no common factors greater than 1.
No.
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.