Q: What are the prime factors of the number 231,010,432?

 A: 2, 101, 107, 167

Why are those the prime factors of the number 231,010,432?

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 231,010,432

231,010,432
Factor Arrows
2115,505,216
Factor Arrows
257,752,608
Factor Arrows
228,876,304
Factor Arrows
214,438,152
Factor Arrows
27,219,076
Factor Arrows
23,609,538
Factor Arrows
21,804,769
Factor Arrows
10117,869
Factor Arrows
107167

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, 101, 107, 167

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 101 x 107 x 167 = 231,010,432

This can also be written as 27 x 1011 x 1071 x 1671 = 231,010,432

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


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