Q: What are the prime factors of the number 3,188,032?

 A: 2, 109, 457

Why are those the prime factors of the number 3,188,032?

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 3,188,032

3,188,032
Factor Arrows
21,594,016
Factor Arrows
2797,008
Factor Arrows
2398,504
Factor Arrows
2199,252
Factor Arrows
299,626
Factor Arrows
249,813
Factor Arrows
109457

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, 109, 457

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 109 x 457 = 3,188,032

This can also be written as 26 x 1091 x 4571 = 3,188,032

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


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