The tree for 110 is: 55 & 2. 2 is prime. Then 5 & 11. They are both prime.
110 55,2 11,5,2
1997 is already prime; no tree.
Exponents are not needed but it would be 21 x 51 x 111
It is: 2*5*11 = 110
a prime factorization tree
33 11,3
51 3,17
350=2x5x5x7
The prime factorization of 97 is 97 itself, as it is a prime number and cannot be divided evenly by any other numbers. Therefore, there is no prime factorization tree for the number 97.
50 25,2 5,5,2
131 is already prime. No tree.
2 x 5 x 11 = 110