Q: What are the prime factors of the number 215,256?

 A: 2, 3, 8969

Why are those the prime factors of the number 215,256?

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 215,256

215,256
Factor Arrows
2107,628
Factor Arrows
253,814
Factor Arrows
226,907
Factor Arrows
38,969

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, 8969

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 8,969 = 215,256

This can also be written as 23 x 31 x 8,9691 = 215,256

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


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