Q: What are the prime factors of the number 555,888?

 A: 2, 3, 37, 313

Why are those the prime factors of the number 555,888?

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 555,888

555,888
Factor Arrows
2277,944
Factor Arrows
2138,972
Factor Arrows
269,486
Factor Arrows
234,743
Factor Arrows
311,581
Factor Arrows
37313

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, 37, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 37 x 313 = 555,888

This can also be written as 24 x 31 x 371 x 3131 = 555,888

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


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