No, 30 and 40 are not relatively prime. Their greatest common factor is 10.
It can be. 40 is relatively prime to 41. 40 is not relatively prime to 54.
No, 30 and 135 are not relatively prime.
It can be. 34 is relatively prime to 35. 34 is not relatively prime to 40.
ya they are relatively prime
One number, by itself cannot be relatively prime - or otherwise. Relative primality is a property of two (or more) numbers.
No, 30 and 36 are not relatively prime. They share the factors 3 and 6.
12 and 30 are not relatively prime because they have two common prime factors (2 and 3).
No. Even numbers can't be relatively prime.
Yes.
No.
No!
30 and 49 are relatively prime because the GCF (greatest common factor) is 1. The definition of a relatively prime number is two nonzero numbers that have a GCF of 1.