Yes.
25 is relatively prime with 36. 25 is not relatively prime with 35.
Yes, they are relatively prime.
It can be. 16 is relatively prime with 25.
no
Relatively prime, yes.
25 and 98 are not prime numbers
Two numbers are relatively prime if the only factor they have in common is 1. The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 25 are 1, 5, and 10. The only factor they have in common is 1, so they are relatively prime.
No.
26
No.
Yes, they are. 5 is the only prime factor of 25 and 5 is not a factor of 18, so they have no prime factors in common, which is what relatively prime means.
Yes, e.g. 3 and 5 are relatively prime, 27 (33) and 25 (52) are relatively prime...