Q: What are the prime factors of the number 810,688?

 A: 2, 53, 239

Why are those the prime factors of the number 810,688?

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 810,688

810,688
Factor Arrows
2405,344
Factor Arrows
2202,672
Factor Arrows
2101,336
Factor Arrows
250,668
Factor Arrows
225,334
Factor Arrows
212,667
Factor Arrows
53239

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, 53, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 53 x 239 = 810,688

This can also be written as 26 x 531 x 2391 = 810,688

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


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