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Every composite number has its own unique tree, so I guess the answer is all numbers have one tree. Perhaps you meant one branch or one factor. Prime numbers only have two factors, one of them is prime, so if you try to do a factor tree with a prime number, it stops the second you write the number down. And then there's one. One only has one factor, so we won't even bother with a tree. We'll call it a factor twig.
Since prime numbers only have one prime factor (themselves), factor trees are unnecessary.
To find the factor tree of 89, we start by dividing 89 by its smallest prime factor, which is 89 itself. This means 89 is a prime number and cannot be factored further. Therefore, the factor tree of 89 consists of only one prime factor, which is 89.
47 | 47,1 Since 47 is a prime number, its only factors are one and itself. It's hardly worth drawing a tree.