Q: What are the prime factors of the number 556,672?

 A: 2, 4349

Why are those the prime factors of the number 556,672?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 556,672

556,672
Factor Arrows
2278,336
Factor Arrows
2139,168
Factor Arrows
269,584
Factor Arrows
234,792
Factor Arrows
217,396
Factor Arrows
28,698
Factor Arrows
24,349

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 4349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 4,349 = 556,672

This can also be written as 27 x 4,3491 = 556,672

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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