Q: What are the prime factors of the number 28,645,296?

 A: 2, 3, 547, 1091

Why are those the prime factors of the number 28,645,296?

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 28,645,296

28,645,296
Factor Arrows
214,322,648
Factor Arrows
27,161,324
Factor Arrows
23,580,662
Factor Arrows
21,790,331
Factor Arrows
3596,777
Factor Arrows
5471,091

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, 547, 1091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 547 x 1,091 = 28,645,296

This can also be written as 24 x 31 x 5471 x 1,0911 = 28,645,296

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


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