Q: What are the prime factors of the number 28,658,048?

 A: 2, 73, 3067

Why are those the prime factors of the number 28,658,048?

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 28,658,048

28,658,048
Factor Arrows
214,329,024
Factor Arrows
27,164,512
Factor Arrows
23,582,256
Factor Arrows
21,791,128
Factor Arrows
2895,564
Factor Arrows
2447,782
Factor Arrows
2223,891
Factor Arrows
733,067

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, 73, 3067

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 73 x 3,067 = 28,658,048

This can also be written as 27 x 731 x 3,0671 = 28,658,048

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


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