Q: What are the prime factors of the number 321,032,304?

 A: 2, 3, 2229391

Why are those the prime factors of the number 321,032,304?

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 321,032,304

321,032,304
Factor Arrows
2160,516,152
Factor Arrows
280,258,076
Factor Arrows
240,129,038
Factor Arrows
220,064,519
Factor Arrows
36,688,173
Factor Arrows
32,229,391

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, 2229391

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 2,229,391 = 321,032,304

This can also be written as 24 x 32 x 2,229,3911 = 321,032,304

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


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