Q: What are the prime factors of the number 38,813,888?

 A: 2, 37, 443

Why are those the prime factors of the number 38,813,888?

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 38,813,888

38,813,888
Factor Arrows
219,406,944
Factor Arrows
29,703,472
Factor Arrows
24,851,736
Factor Arrows
22,425,868
Factor Arrows
21,212,934
Factor Arrows
2606,467
Factor Arrows
3716,391
Factor Arrows
37443

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, 37, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 37 x 37 x 443 = 38,813,888

This can also be written as 26 x 372 x 4431 = 38,813,888

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


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