None of them is prime.
It is: 37
37
35
25 is relatively prime with 36. 25 is not relatively prime with 35.
The only prime numbers between 25 and 35 are: 29 31.
34
The only prime number between 30 and 35 is 31.
The prime factors of 34 are 2 and 17, and 2 + 17 = 19.
There are 2 prime numbers between 25 and 35: 29 31.
66
29, 31
29,31
29 31.
None of them is prime.
29 & 31
29, 31.