Q: What are the prime factors of the number 555,104?

 A: 2, 11, 19, 83

Why are those the prime factors of the number 555,104?

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 555,104

555,104
Factor Arrows
2277,552
Factor Arrows
2138,776
Factor Arrows
269,388
Factor Arrows
234,694
Factor Arrows
217,347
Factor Arrows
111,577
Factor Arrows
1983

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, 11, 19, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 19 x 83 = 555,104

This can also be written as 25 x 111 x 191 x 831 = 555,104

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


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