Q: What are the prime factors of the number 323,064?

 A: 2, 3, 7, 641

Why are those the prime factors of the number 323,064?

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 323,064

323,064
Factor Arrows
2161,532
Factor Arrows
280,766
Factor Arrows
240,383
Factor Arrows
313,461
Factor Arrows
34,487
Factor Arrows
7641

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, 7, 641

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 641 = 323,064

This can also be written as 23 x 32 x 71 x 6411 = 323,064

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


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