Q: What are the prime factors of the number 859,008?

 A: 2, 3, 2237

Why are those the prime factors of the number 859,008?

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 859,008

859,008
Factor Arrows
2429,504
Factor Arrows
2214,752
Factor Arrows
2107,376
Factor Arrows
253,688
Factor Arrows
226,844
Factor Arrows
213,422
Factor Arrows
26,711
Factor Arrows
32,237

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, 2237

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 2 x 3 x 2,237 = 859,008

This can also be written as 27 x 31 x 2,2371 = 859,008

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


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