Q: What are the prime factors of the number 1,568,424?

 A: 2, 3, 11, 13, 457

Why are those the prime factors of the number 1,568,424?

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 1,568,424

1,568,424
Factor Arrows
2784,212
Factor Arrows
2392,106
Factor Arrows
2196,053
Factor Arrows
365,351
Factor Arrows
115,941
Factor Arrows
13457

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, 11, 13, 457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 13 x 457 = 1,568,424

This can also be written as 23 x 31 x 111 x 131 x 4571 = 1,568,424

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


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