Q: What are the prime factors of the number 814,149?

 A: 3, 7, 12923

Why are those the prime factors of the number 814,149?

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 814,149

814,149
Factor Arrows
3271,383
Factor Arrows
390,461
Factor Arrows
712,923

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:

3, 7, 12923

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 12,923 = 814,149

This can also be written as 32 x 71 x 12,9231 = 814,149

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


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