Q: What are the prime factors of the number 13,911,808?

 A: 2, 31, 1753

Why are those the prime factors of the number 13,911,808?

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 13,911,808

13,911,808
Factor Arrows
26,955,904
Factor Arrows
23,477,952
Factor Arrows
21,738,976
Factor Arrows
2869,488
Factor Arrows
2434,744
Factor Arrows
2217,372
Factor Arrows
2108,686
Factor Arrows
254,343
Factor Arrows
311,753

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, 31, 1753

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 31 x 1,753 = 13,911,808

This can also be written as 28 x 311 x 1,7531 = 13,911,808

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


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