12 and 35 are NOT prime numbers.
835 is not a prime number.
no
No.
15 is relatively prime.
Yes, they are relatively prime.
Yes, they are relatively prime.
No
Yes.
one, it is relativly prime. (:
There are six prime numbers between 12 and 35: 13,17,19,23,29,31
12 and 35 are mutually prime as they have no common factors other than 1.