Q: What are the prime factors of the number 383,214?

 A: 2, 3, 13, 17

Why are those the prime factors of the number 383,214?

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 383,214

383,214
Factor Arrows
2191,607
Factor Arrows
363,869
Factor Arrows
134,913
Factor Arrows
17289
Factor Arrows
1717

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, 13, 17

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 17 x 17 x 17 = 383,214

This can also be written as 21 x 31 x 131 x 173 = 383,214

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


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