Q: What are the prime factors of the number 325,216?

 A: 2, 10163

Why are those the prime factors of the number 325,216?

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 325,216

325,216
Factor Arrows
2162,608
Factor Arrows
281,304
Factor Arrows
240,652
Factor Arrows
220,326
Factor Arrows
210,163

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, 10163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 10,163 = 325,216

This can also be written as 25 x 10,1631 = 325,216

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


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