Q: What are the prime factors of the number 233,187,864?

 A: 2, 3, 7, 13, 2179

Why are those the prime factors of the number 233,187,864?

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 233,187,864

233,187,864
Factor Arrows
2116,593,932
Factor Arrows
258,296,966
Factor Arrows
229,148,483
Factor Arrows
39,716,161
Factor Arrows
71,388,023
Factor Arrows
7198,289
Factor Arrows
728,327
Factor Arrows
132,179

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, 7, 13, 2179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 7 x 13 x 2,179 = 233,187,864

This can also be written as 23 x 31 x 73 x 131 x 2,1791 = 233,187,864

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


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