Q: What are the prime factors of the number 31,029,030?

 A: 2, 3, 5, 109, 3163

Why are those the prime factors of the number 31,029,030?

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 31,029,030

31,029,030
Factor Arrows
215,514,515
Factor Arrows
35,171,505
Factor Arrows
31,723,835
Factor Arrows
5344,767
Factor Arrows
1093,163

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, 109, 3163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 109 x 3,163 = 31,029,030

This can also be written as 21 x 32 x 51 x 1091 x 3,1631 = 31,029,030

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


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