Q: What are the prime factors of the number 555,300?

 A: 2, 3, 5, 617

Why are those the prime factors of the number 555,300?

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 555,300

555,300
Factor Arrows
2277,650
Factor Arrows
2138,825
Factor Arrows
346,275
Factor Arrows
315,425
Factor Arrows
53,085
Factor Arrows
5617

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, 5, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 617 = 555,300

This can also be written as 22 x 32 x 52 x 6171 = 555,300

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


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