Q: What are the prime factors of the number 234,365,312?

 A: 2, 47, 163, 239

Why are those the prime factors of the number 234,365,312?

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 234,365,312

234,365,312
Factor Arrows
2117,182,656
Factor Arrows
258,591,328
Factor Arrows
229,295,664
Factor Arrows
214,647,832
Factor Arrows
27,323,916
Factor Arrows
23,661,958
Factor Arrows
21,830,979
Factor Arrows
4738,957
Factor Arrows
163239

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, 47, 163, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 47 x 163 x 239 = 234,365,312

This can also be written as 27 x 471 x 1631 x 2391 = 234,365,312

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


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