Q: What are the prime factors of the number 380,280?

 A: 2, 3, 5, 3169

Why are those the prime factors of the number 380,280?

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 380,280

380,280
Factor Arrows
2190,140
Factor Arrows
295,070
Factor Arrows
247,535
Factor Arrows
315,845
Factor Arrows
53,169

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, 5, 3169

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 3,169 = 380,280

This can also be written as 23 x 31 x 51 x 3,1691 = 380,280

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


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