Q: What are the prime factors of the number 384,325,776?

 A: 2, 3, 389, 2287

Why are those the prime factors of the number 384,325,776?

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 384,325,776

384,325,776
Factor Arrows
2192,162,888
Factor Arrows
296,081,444
Factor Arrows
248,040,722
Factor Arrows
224,020,361
Factor Arrows
38,006,787
Factor Arrows
32,668,929
Factor Arrows
3889,643
Factor Arrows
3892,287

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, 3, 389, 2287

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 389 x 2,287 = 384,325,776

This can also be written as 24 x 33 x 3891 x 2,2871 = 384,325,776

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


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