Q: What are the prime factors of the number 231,310,404?

 A: 2, 3, 13, 54917

Why are those the prime factors of the number 231,310,404?

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 231,310,404

231,310,404
Factor Arrows
2115,655,202
Factor Arrows
257,827,601
Factor Arrows
319,275,867
Factor Arrows
36,425,289
Factor Arrows
32,141,763
Factor Arrows
3713,921
Factor Arrows
1354,917

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, 13, 54917

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 13 x 54,917 = 231,310,404

This can also be written as 22 x 34 x 131 x 54,9171 = 231,310,404

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


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