Q: What are the prime factors of the number 210,331,120?

 A: 2, 5, 2629139

Why are those the prime factors of the number 210,331,120?

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 210,331,120

210,331,120
Factor Arrows
2105,165,560
Factor Arrows
252,582,780
Factor Arrows
226,291,390
Factor Arrows
213,145,695
Factor Arrows
52,629,139

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, 5, 2629139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 2,629,139 = 210,331,120

This can also be written as 24 x 51 x 2,629,1391 = 210,331,120

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


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