Q: What are the prime factors of the number 2,382,432?

 A: 2, 3, 13, 23, 83

Why are those the prime factors of the number 2,382,432?

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 2,382,432

2,382,432
Factor Arrows
21,191,216
Factor Arrows
2595,608
Factor Arrows
2297,804
Factor Arrows
2148,902
Factor Arrows
274,451
Factor Arrows
324,817
Factor Arrows
131,909
Factor Arrows
2383

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, 13, 23, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 13 x 23 x 83 = 2,382,432

This can also be written as 25 x 31 x 131 x 231 x 831 = 2,382,432

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


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