It can be. 26 is relatively prime to 27. 26 is not relatively prime to 34.
Yes, they are relatively prime.
No because they are both composite numbers
One number, by itself cannot be relatively prime - or otherwise. Relative primality is a property of two (or more) numbers.
No, they are not relatively prime.
It can be. 26 is relatively prime to 27. 26 is not relatively prime to 34.
Yes, they are relatively prime.
No.
No. For example: 9 and 27 are both odd but not relatively prime (they both have the factor 3).
Yes, e.g. 3 and 5 are relatively prime, 27 (33) and 25 (52) are relatively prime...
No because they are both composite numbers
One number, by itself cannot be relatively prime - or otherwise. Relative primality is a property of two (or more) numbers.
No, they are not relatively prime.
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
Yes, they are relatively prime.
29
It can be. 27 is relatively prime to 28.