Q: What are the prime factors of the number 231,227,120?

 A: 2, 5, 71, 40709

Why are those the prime factors of the number 231,227,120?

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 231,227,120

231,227,120
Factor Arrows
2115,613,560
Factor Arrows
257,806,780
Factor Arrows
228,903,390
Factor Arrows
214,451,695
Factor Arrows
52,890,339
Factor Arrows
7140,709

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, 5, 71, 40709

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 71 x 40,709 = 231,227,120

This can also be written as 24 x 51 x 711 x 40,7091 = 231,227,120

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


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