No - both are divisible by 9.
No, they are not relatively prime.
No, they are not relatively prime.
No, 63 and 74 are not relatively prime because they have a common factor of 1.
Yes, 143 and 63 are relatively prime because they have no prime factors in common.
ya they are relatively prime
No, they are not relatively prime.
No.
No, they are not.
Yes, they are relatively prime.
It can be. 26 is relatively prime to 27. 26 is not relatively prime to 34.
Yes, they are relatively prime.
It can be. 27 is relatively prime to 28.