Q: What are the prime factors of the number 231,550,464?

 A: 2, 3, 127, 1187

Why are those the prime factors of the number 231,550,464?

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 231,550,464

231,550,464
Factor Arrows
2115,775,232
Factor Arrows
257,887,616
Factor Arrows
228,943,808
Factor Arrows
214,471,904
Factor Arrows
27,235,952
Factor Arrows
23,617,976
Factor Arrows
21,808,988
Factor Arrows
2904,494
Factor Arrows
2452,247
Factor Arrows
3150,749
Factor Arrows
1271,187

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, 127, 1187

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 2 x 3 x 127 x 1,187 = 231,550,464

This can also be written as 29 x 31 x 1271 x 1,1871 = 231,550,464

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


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