Q: What are the prime factors of the number 15,928,384?

 A: 2, 19, 13099

Why are those the prime factors of the number 15,928,384?

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 15,928,384

15,928,384
Factor Arrows
27,964,192
Factor Arrows
23,982,096
Factor Arrows
21,991,048
Factor Arrows
2995,524
Factor Arrows
2497,762
Factor Arrows
2248,881
Factor Arrows
1913,099

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, 19, 13099

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 19 x 13,099 = 15,928,384

This can also be written as 26 x 191 x 13,0991 = 15,928,384

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


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