Q: What are the prime factors of the number 555,005,304?

 A: 2, 3, 7, 593, 619

Why are those the prime factors of the number 555,005,304?

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 555,005,304

555,005,304
Factor Arrows
2277,502,652
Factor Arrows
2138,751,326
Factor Arrows
269,375,663
Factor Arrows
323,125,221
Factor Arrows
37,708,407
Factor Arrows
32,569,469
Factor Arrows
7367,067
Factor Arrows
593619

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, 7, 593, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 7 x 593 x 619 = 555,005,304

This can also be written as 23 x 33 x 71 x 5931 x 6191 = 555,005,304

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


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