Q: What are the prime factors of the number 1,008,392?

 A: 2, 7, 11, 1637

Why are those the prime factors of the number 1,008,392?

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 1,008,392

1,008,392
Factor Arrows
2504,196
Factor Arrows
2252,098
Factor Arrows
2126,049
Factor Arrows
718,007
Factor Arrows
111,637

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, 7, 11, 1637

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 11 x 1,637 = 1,008,392

This can also be written as 23 x 71 x 111 x 1,6371 = 1,008,392

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


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