Q: What are the prime factors of the number 555,165,131?

 A: 37, 43, 173, 2017

Why are those the prime factors of the number 555,165,131?

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 555,165,131

555,165,131
Factor Arrows
3715,004,463
Factor Arrows
43348,941
Factor Arrows
1732,017

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:

37, 43, 173, 2017

We can check our work by multiplying all of the prime factors together: 37 x 43 x 173 x 2,017 = 555,165,131

This can also be written as 371 x 431 x 1731 x 2,0171 = 555,165,131

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


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