Q: What are the prime factors of the number 380,535,776?

 A: 2, 1627, 7309

Why are those the prime factors of the number 380,535,776?

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 380,535,776

380,535,776
Factor Arrows
2190,267,888
Factor Arrows
295,133,944
Factor Arrows
247,566,972
Factor Arrows
223,783,486
Factor Arrows
211,891,743
Factor Arrows
1,6277,309

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, 1627, 7309

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,627 x 7,309 = 380,535,776

This can also be written as 25 x 1,6271 x 7,3091 = 380,535,776

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


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