Q: What are the prime factors of the number 4,526,928?

 A: 2, 3, 7, 499

Why are those the prime factors of the number 4,526,928?

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 4,526,928

4,526,928
Factor Arrows
22,263,464
Factor Arrows
21,131,732
Factor Arrows
2565,866
Factor Arrows
2282,933
Factor Arrows
394,311
Factor Arrows
331,437
Factor Arrows
310,479
Factor Arrows
33,493
Factor Arrows
7499

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, 7, 499

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 7 x 499 = 4,526,928

This can also be written as 24 x 34 x 71 x 4991 = 4,526,928

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


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