Q: What are the prime factors of the number 330,121,332?

 A: 2, 3, 339631

Why are those the prime factors of the number 330,121,332?

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 330,121,332

330,121,332
Factor Arrows
2165,060,666
Factor Arrows
282,530,333
Factor Arrows
327,510,111
Factor Arrows
39,170,037
Factor Arrows
33,056,679
Factor Arrows
31,018,893
Factor Arrows
3339,631

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, 339631

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 3 x 339,631 = 330,121,332

This can also be written as 22 x 35 x 339,6311 = 330,121,332

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


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