496 --> 2 x 248 --> 2 x 2 x 124 --> 2 x 2 x 2 x 62 --> 2 x 2 x 2 x 2 x 31
Source(s):My brain and a little math logic.83 is prime. No tree.
61 is already prime. It doesn't need a tree.
When the bottom branch consists entirely of prime numbers.
The purpose of a factor tree is to divide a number into prime factors. 1 is not a prime number.
145 5,29 Not much of a tree. More like a factor shrub.
369 123,3 41,3,3
369, 43, 3, 2, 2or366, 62, 3, 2, 3or363, 123, 3, 43, 3, 2, 2
9
It is: 123
IT IS PRIME there is no factor tree
Factor tree of 204
factor tree of 216
{| class="tdefault" | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |- | width="369" | | width="369" | |} ---- === === === === === === === ===
The factor tree of 50:5025,25,5,25025,25,5,2
21
No. As a general rule, factors cannot be larger than the numbers they are compared to.
83 is prime. No tree.