Q: What are the prime factors of the number 478,384?

 A: 2, 29, 1031

Why are those the prime factors of the number 478,384?

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 478,384

478,384
Factor Arrows
2239,192
Factor Arrows
2119,596
Factor Arrows
259,798
Factor Arrows
229,899
Factor Arrows
291,031

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, 29, 1031

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 1,031 = 478,384

This can also be written as 24 x 291 x 1,0311 = 478,384

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


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