Q: What are the prime factors of the number 380,644?

 A: 2, 11, 41, 211

Why are those the prime factors of the number 380,644?

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 380,644

380,644
Factor Arrows
2190,322
Factor Arrows
295,161
Factor Arrows
118,651
Factor Arrows
41211

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, 41, 211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 41 x 211 = 380,644

This can also be written as 22 x 111 x 411 x 2111 = 380,644

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


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