Q: What are the prime factors of the number 13,083,856?

 A: 2, 19, 193, 223

Why are those the prime factors of the number 13,083,856?

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 13,083,856

13,083,856
Factor Arrows
26,541,928
Factor Arrows
23,270,964
Factor Arrows
21,635,482
Factor Arrows
2817,741
Factor Arrows
1943,039
Factor Arrows
193223

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, 193, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 193 x 223 = 13,083,856

This can also be written as 24 x 191 x 1931 x 2231 = 13,083,856

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


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