Q: What are the prime factors of the number 113,323,320?

 A: 2, 3, 5, 11, 9539

Why are those the prime factors of the number 113,323,320?

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 113,323,320

113,323,320
Factor Arrows
256,661,660
Factor Arrows
228,330,830
Factor Arrows
214,165,415
Factor Arrows
34,721,805
Factor Arrows
31,573,935
Factor Arrows
3524,645
Factor Arrows
5104,929
Factor Arrows
119,539

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, 11, 9539

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 11 x 9,539 = 113,323,320

This can also be written as 23 x 33 x 51 x 111 x 9,5391 = 113,323,320

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


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