No, 50 and 65 are not relatively prime.
No. To be relatively prime, the only common factor they could have would be the number 1. They also have 5 as a common factor, so they are not relatively prime.
No, they are not relatively prime.
25 is relatively prime with 36. 25 is not relatively prime with 35.
No.
Yes, they are relatively prime.
Yes, they are relatively prime.
yes
Yes.
No, 65 and 70 are not relatively prime. Relatively prime numbers only have the number 1 as a common factor. 65 and 70 also have 5 as a common factor, so they are not relatively prime.
It can be. 16 is relatively prime with 25.
The GCF of 26 and 65 is 13. 13 is a prime number. "Relatively prime" refers to numbers whose GCF is 1.