Q: What are the prime factors of the number 304,128,080?

 A: 2, 5, 23, 165287

Why are those the prime factors of the number 304,128,080?

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 304,128,080

304,128,080
Factor Arrows
2152,064,040
Factor Arrows
276,032,020
Factor Arrows
238,016,010
Factor Arrows
219,008,005
Factor Arrows
53,801,601
Factor Arrows
23165,287

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, 5, 23, 165287

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 23 x 165,287 = 304,128,080

This can also be written as 24 x 51 x 231 x 165,2871 = 304,128,080

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


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