Q: What are the prime factors of the number 231,118,350?

 A: 2, 3, 5, 1540789

Why are those the prime factors of the number 231,118,350?

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 231,118,350

231,118,350
Factor Arrows
2115,559,175
Factor Arrows
338,519,725
Factor Arrows
57,703,945
Factor Arrows
51,540,789

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, 5, 1540789

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 1,540,789 = 231,118,350

This can also be written as 21 x 31 x 52 x 1,540,7891 = 231,118,350

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


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