Q: What are the prime factors of the number 872,832?

 A: 2, 3, 2273

Why are those the prime factors of the number 872,832?

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 872,832

872,832
Factor Arrows
2436,416
Factor Arrows
2218,208
Factor Arrows
2109,104
Factor Arrows
254,552
Factor Arrows
227,276
Factor Arrows
213,638
Factor Arrows
26,819
Factor Arrows
32,273

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, 2273

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 2,273 = 872,832

This can also be written as 27 x 31 x 2,2731 = 872,832

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


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