Q: What are the prime factors of the number 386,106?

 A: 2, 3, 7, 29, 317

Why are those the prime factors of the number 386,106?

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 386,106

386,106
Factor Arrows
2193,053
Factor Arrows
364,351
Factor Arrows
79,193
Factor Arrows
29317

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, 7, 29, 317

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 29 x 317 = 386,106

This can also be written as 21 x 31 x 71 x 291 x 3171 = 386,106

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


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