105 is not a prime number among them. It is because it is divisible by 5.
The prime numbers between 80 and 105 are: 83, 89, 97, 101, 103
97 101 103
89 97 101 103.
Eleven numbers less than 105 are relatively prime to 105. They are 82, 83, 86, 88, 89, 92, 94, 97, 101, 103, and 104.
The numbers 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101 and 103 are prime.
The prime numbers (factors) of 105 are: 3,5,7
For this type of question, you should search the Internet for a list of prime numbers. All the integers that are not prime numbers are composite. In this case, the relevant prime numbers are 101 and 103.
The prime factors of 105 are: 3,5,7
61, 67, 71, 73, 79, 83, 89, 97, 101 and 103.
Assuming you meant 101, 103, 105 & 107... The number 105 is not prime - as it will divide by 5 or 3.
No, they are not relatively prime.