Q: What are the prime factors of the number 555,066?

 A: 2, 3, 19, 541

Why are those the prime factors of the number 555,066?

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 555,066

555,066
Factor Arrows
2277,533
Factor Arrows
392,511
Factor Arrows
330,837
Factor Arrows
310,279
Factor Arrows
19541

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, 19, 541

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 19 x 541 = 555,066

This can also be written as 21 x 33 x 191 x 5411 = 555,066

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


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