Q: What are the prime factors of the number 28,680,224?

 A: 2, 17, 52721

Why are those the prime factors of the number 28,680,224?

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 28,680,224

28,680,224
Factor Arrows
214,340,112
Factor Arrows
27,170,056
Factor Arrows
23,585,028
Factor Arrows
21,792,514
Factor Arrows
2896,257
Factor Arrows
1752,721

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, 17, 52721

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 52,721 = 28,680,224

This can also be written as 25 x 171 x 52,7211 = 28,680,224

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


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