No.
No.
196 98,2 49,2,2 7,7,2,2
Prime numbers don't have factor trees. So if you can create a tree, your number's composite.
64 32,2 16,2,2 8,2,2,2 4,2,2,2,2 2,2,2,2,2,2
IT IS PRIME there is no factor tree
Factor tree of 204
factor tree of 216
The factor tree of 50:5025,25,5,25025,25,5,2
21
83 is prime. No tree.
there is NO factor tree (prime factorization) of 29.