Q: What are the prime factors of the number 389,824?

 A: 2, 6091

Why are those the prime factors of the number 389,824?

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 389,824

389,824
Factor Arrows
2194,912
Factor Arrows
297,456
Factor Arrows
248,728
Factor Arrows
224,364
Factor Arrows
212,182
Factor Arrows
26,091

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, 6091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 6,091 = 389,824

This can also be written as 26 x 6,0911 = 389,824

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


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