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Find the prime factorization. It doesn't matter if you use a factor tree, or rainbow or firework. For example: 42
42
21,2
3,7,2
The prime factorization of 42 is 2 x 3 x 7. The greatest prime factor is 7.
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∙ 12y ago
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How do you do prime factor decomposition?
find the pime fatorasion
What is the factor tree for each number to find the pime factors 8?
8 4,2 2,2,2 2 x 2 x 2 = 8
What is the pime factorization and gcf of 12?
The prime factorization of 12 is: 2 x 2 x 3 = 12However, there cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
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