put 396 at the top of the tree. put 2 and 198 as branches. put 2a nd 99 as branches off of 198. put 3 and 33 as branches off of 99. put 3 and 11 as branches off of 33. and your done
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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.
145 5,29 Not much of a tree. More like a factor shrub.
The purpose of a factor tree is to divide a number into prime factors. 1 is not a prime number.