Q: What are the prime factors of the number 13,188,308?

 A: 2, 7, 53, 8887

Why are those the prime factors of the number 13,188,308?

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 13,188,308

13,188,308
Factor Arrows
26,594,154
Factor Arrows
23,297,077
Factor Arrows
7471,011
Factor Arrows
538,887

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, 7, 53, 8887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 53 x 8,887 = 13,188,308

This can also be written as 22 x 71 x 531 x 8,8871 = 13,188,308

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


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