Q: What are the prime factors of the number 231,340,304?

 A: 2, 13, 61, 18233

Why are those the prime factors of the number 231,340,304?

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 231,340,304

231,340,304
Factor Arrows
2115,670,152
Factor Arrows
257,835,076
Factor Arrows
228,917,538
Factor Arrows
214,458,769
Factor Arrows
131,112,213
Factor Arrows
6118,233

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, 13, 61, 18233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 61 x 18,233 = 231,340,304

This can also be written as 24 x 131 x 611 x 18,2331 = 231,340,304

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


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