Q: What are the prime factors of the number 379,808?

 A: 2, 11, 13, 83

Why are those the prime factors of the number 379,808?

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 379,808

379,808
Factor Arrows
2189,904
Factor Arrows
294,952
Factor Arrows
247,476
Factor Arrows
223,738
Factor Arrows
211,869
Factor Arrows
111,079
Factor Arrows
1383

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, 11, 13, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 13 x 83 = 379,808

This can also be written as 25 x 111 x 131 x 831 = 379,808

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


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