Q: What are the prime factors of the number 115,703,028?

 A: 2, 3, 7, 53, 8663

Why are those the prime factors of the number 115,703,028?

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 115,703,028

115,703,028
Factor Arrows
257,851,514
Factor Arrows
228,925,757
Factor Arrows
39,641,919
Factor Arrows
33,213,973
Factor Arrows
7459,139
Factor Arrows
538,663

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, 7, 53, 8663

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 53 x 8,663 = 115,703,028

This can also be written as 22 x 32 x 71 x 531 x 8,6631 = 115,703,028

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


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