Q: What are the prime factors of the number 238,574,976?

 A: 2, 3, 621289

Why are those the prime factors of the number 238,574,976?

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 238,574,976

238,574,976
Factor Arrows
2119,287,488
Factor Arrows
259,643,744
Factor Arrows
229,821,872
Factor Arrows
214,910,936
Factor Arrows
27,455,468
Factor Arrows
23,727,734
Factor Arrows
21,863,867
Factor Arrows
3621,289

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, 621289

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 2 x 3 x 621,289 = 238,574,976

This can also be written as 27 x 31 x 621,2891 = 238,574,976

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


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