Q: What are the prime factors of the number 550,656?

 A: 2, 3, 239

Why are those the prime factors of the number 550,656?

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 550,656

550,656
Factor Arrows
2275,328
Factor Arrows
2137,664
Factor Arrows
268,832
Factor Arrows
234,416
Factor Arrows
217,208
Factor Arrows
28,604
Factor Arrows
24,302
Factor Arrows
22,151
Factor Arrows
3717
Factor Arrows
3239

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, 3, 239

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 2 x 3 x 3 x 239 = 550,656

This can also be written as 28 x 32 x 2391 = 550,656

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


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