Q: What are the prime factors of the number 231,576,832?

 A: 2, 29, 31193

Why are those the prime factors of the number 231,576,832?

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 231,576,832

231,576,832
Factor Arrows
2115,788,416
Factor Arrows
257,894,208
Factor Arrows
228,947,104
Factor Arrows
214,473,552
Factor Arrows
27,236,776
Factor Arrows
23,618,388
Factor Arrows
21,809,194
Factor Arrows
2904,597
Factor Arrows
2931,193

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, 29, 31193

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 2 x 29 x 31,193 = 231,576,832

This can also be written as 28 x 291 x 31,1931 = 231,576,832

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


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