Q: What are the prime factors of the number 13,997,808?

 A: 2, 3, 11, 8837

Why are those the prime factors of the number 13,997,808?

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 13,997,808

13,997,808
Factor Arrows
26,998,904
Factor Arrows
23,499,452
Factor Arrows
21,749,726
Factor Arrows
2874,863
Factor Arrows
3291,621
Factor Arrows
397,207
Factor Arrows
118,837

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, 8837

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 11 x 8,837 = 13,997,808

This can also be written as 24 x 32 x 111 x 8,8371 = 13,997,808

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


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