Q: What are the prime factors of the number 12,862,160?

 A: 2, 5, 43, 3739

Why are those the prime factors of the number 12,862,160?

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 12,862,160

12,862,160
Factor Arrows
26,431,080
Factor Arrows
23,215,540
Factor Arrows
21,607,770
Factor Arrows
2803,885
Factor Arrows
5160,777
Factor Arrows
433,739

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, 5, 43, 3739

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 43 x 3,739 = 12,862,160

This can also be written as 24 x 51 x 431 x 3,7391 = 12,862,160

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


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