Q: What are the prime factors of the number 384,993?

 A: 3, 7, 97

Why are those the prime factors of the number 384,993?

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 384,993

384,993
Factor Arrows
3128,331
Factor Arrows
342,777
Factor Arrows
314,259
Factor Arrows
34,753
Factor Arrows
7679
Factor Arrows
797

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, 97

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 7 x 7 x 97 = 384,993

This can also be written as 34 x 72 x 971 = 384,993

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


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