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Answers for “48 的质因数分解是什么?”

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Yes, starting a factor tree with a different pair of factors will still yield the same prime factors. The final set of prime factors is unique regardless of the initial split.

Conditions: The number being factored is the same.; Each branch is decomposed into valid factor pairs.; The process continues until all leaves are prime.

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No, you do not have to start a factor tree with 2 for an even number. While 2 is always a factor of an even number, you can choose any valid factor pair to begin the tree.

Conditions: The number is even.; The chosen first split is still a valid factor pair.

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You stop breaking down a factor once it is prime because prime numbers only have two factors, 1 and the number itself, meaning they cannot be broken down further into smaller positive integers.

Conditions: The current branch value is prime.; The goal is to express the original number as a product of primes only.