Q: What are the prime factors of the number 130,772,131?

 A: 7, 71, 37589

Why are those the prime factors of the number 130,772,131?

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 130,772,131

130,772,131
Factor Arrows
718,681,733
Factor Arrows
72,668,819
Factor Arrows
7137,589

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:

7, 71, 37589

We can check our work by multiplying all of the prime factors together: 7 x 7 x 71 x 37,589 = 130,772,131

This can also be written as 72 x 711 x 37,5891 = 130,772,131

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


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