Q: What are the prime factors of the number 331,410,231?

 A: 3, 29, 423257

Why are those the prime factors of the number 331,410,231?

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 331,410,231

331,410,231
Factor Arrows
3110,470,077
Factor Arrows
336,823,359
Factor Arrows
312,274,453
Factor Arrows
29423,257

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:

3, 29, 423257

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 29 x 423,257 = 331,410,231

This can also be written as 33 x 291 x 423,2571 = 331,410,231

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


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