Well, there are INFINITY possibilities.
109.1, 109.3, 109.5, 109.00000000000000000000000000001, etc.
109 is a prime number.
The prime numbers between the prime number 101 and the composite number 110 are 103, 107, and 109.
109 is prime.
109
it is 107.
The next prime number after 108 is 109.
Prime factorization of 109 = 1 * 109
109 is a prime number.
it is prime
109 113 127 131
yes
1 & 109. It's a prime number.