Q: What are the prime factors of the number 380,673,392?

 A: 2, 11, 73, 29629

Why are those the prime factors of the number 380,673,392?

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 380,673,392

380,673,392
Factor Arrows
2190,336,696
Factor Arrows
295,168,348
Factor Arrows
247,584,174
Factor Arrows
223,792,087
Factor Arrows
112,162,917
Factor Arrows
7329,629

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, 11, 73, 29629

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 73 x 29,629 = 380,673,392

This can also be written as 24 x 111 x 731 x 29,6291 = 380,673,392

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


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