Q: What are the prime factors of the number 1,080,384?

 A: 2, 3, 17, 331

Why are those the prime factors of the number 1,080,384?

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 1,080,384

1,080,384
Factor Arrows
2540,192
Factor Arrows
2270,096
Factor Arrows
2135,048
Factor Arrows
267,524
Factor Arrows
233,762
Factor Arrows
216,881
Factor Arrows
35,627
Factor Arrows
17331

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, 17, 331

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 3 x 17 x 331 = 1,080,384

This can also be written as 26 x 31 x 171 x 3311 = 1,080,384

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


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