Q: What are the prime factors of the number 555,151,020?

 A: 2, 3, 5, 9252517

Why are those the prime factors of the number 555,151,020?

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 555,151,020

555,151,020
Factor Arrows
2277,575,510
Factor Arrows
2138,787,755
Factor Arrows
346,262,585
Factor Arrows
59,252,517

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, 9252517

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 9,252,517 = 555,151,020

This can also be written as 22 x 31 x 51 x 9,252,5171 = 555,151,020

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


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