Q: What are the prime factors of the number 384,512?

 A: 2, 751

Why are those the prime factors of the number 384,512?

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 384,512

384,512
Factor Arrows
2192,256
Factor Arrows
296,128
Factor Arrows
248,064
Factor Arrows
224,032
Factor Arrows
212,016
Factor Arrows
26,008
Factor Arrows
23,004
Factor Arrows
21,502
Factor Arrows
2751

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, 751

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 2 x 2 x 2 x 751 = 384,512

This can also be written as 29 x 7511 = 384,512

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


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