Q: What are the prime factors of the number 13,386,380?

 A: 2, 5, 7, 95617

Why are those the prime factors of the number 13,386,380?

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 13,386,380

13,386,380
Factor Arrows
26,693,190
Factor Arrows
23,346,595
Factor Arrows
5669,319
Factor Arrows
795,617

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, 7, 95617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 95,617 = 13,386,380

This can also be written as 22 x 51 x 71 x 95,6171 = 13,386,380

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


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