Q: What are the prime factors of the number 384,064?

 A: 2, 17, 353

Why are those the prime factors of the number 384,064?

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 384,064

384,064
Factor Arrows
2192,032
Factor Arrows
296,016
Factor Arrows
248,008
Factor Arrows
224,004
Factor Arrows
212,002
Factor Arrows
26,001
Factor Arrows
17353

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, 17, 353

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 17 x 353 = 384,064

This can also be written as 26 x 171 x 3531 = 384,064

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


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