Q: What are the prime factors of the number 328,164?

 A: 2, 3, 23, 29, 41

Why are those the prime factors of the number 328,164?

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 328,164

328,164
Factor Arrows
2164,082
Factor Arrows
282,041
Factor Arrows
327,347
Factor Arrows
231,189
Factor Arrows
2941

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, 23, 29, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 23 x 29 x 41 = 328,164

This can also be written as 22 x 31 x 231 x 291 x 411 = 328,164

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


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