1997 is already prime; no tree.
350=2x5x5x7
194 2 x 97 Since both 2 and 97 are prime numbers, the prime factorization tree is complete.
there is NO factor tree (prime factorization) of 29.
When the bottom branch consists entirely of prime numbers.
294 147,2 49,3,2 7,7,3,2
1997 is a prime number and has no prime factors.
51 3,17
350=2x5x5x7
33 11,3
a prime factorization tree
50 25,2 5,5,2
97 is already prime; no tree.
131 is already prime. No tree.
It is just 1997 because it is a prime number
585 195,3 65,3,3 13,5,3,3
141 = 3 x 47
572=2x286=2x2x143=2x2x11x13