Q: What are the prime factors of the number 554,368?

 A: 2, 61, 71

Why are those the prime factors of the number 554,368?

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 554,368

554,368
Factor Arrows
2277,184
Factor Arrows
2138,592
Factor Arrows
269,296
Factor Arrows
234,648
Factor Arrows
217,324
Factor Arrows
28,662
Factor Arrows
24,331
Factor Arrows
6171

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, 61, 71

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 61 x 71 = 554,368

This can also be written as 27 x 611 x 711 = 554,368

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


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