Q: What are the prime factors of the number 38,577,896?

 A: 2, 7, 17, 827

Why are those the prime factors of the number 38,577,896?

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 38,577,896

38,577,896
Factor Arrows
219,288,948
Factor Arrows
29,644,474
Factor Arrows
24,822,237
Factor Arrows
7688,891
Factor Arrows
798,413
Factor Arrows
714,059
Factor Arrows
17827

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, 7, 17, 827

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 7 x 17 x 827 = 38,577,896

This can also be written as 23 x 73 x 171 x 8271 = 38,577,896

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


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