Q: What are the prime factors of the number 234,004,320?

 A: 2, 3, 5, 11, 17, 79

Why are those the prime factors of the number 234,004,320?

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 234,004,320

234,004,320
Factor Arrows
2117,002,160
Factor Arrows
258,501,080
Factor Arrows
229,250,540
Factor Arrows
214,625,270
Factor Arrows
27,312,635
Factor Arrows
32,437,545
Factor Arrows
3812,515
Factor Arrows
5162,503
Factor Arrows
1114,773
Factor Arrows
111,343
Factor Arrows
1779

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, 11, 17, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 11 x 11 x 17 x 79 = 234,004,320

This can also be written as 25 x 32 x 51 x 112 x 171 x 791 = 234,004,320

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


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