Q: What are the prime factors of the number 856,523,852?

 A: 2, 17, 3469, 3631

Why are those the prime factors of the number 856,523,852?

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 856,523,852

856,523,852
Factor Arrows
2428,261,926
Factor Arrows
2214,130,963
Factor Arrows
1712,595,939
Factor Arrows
3,4693,631

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, 17, 3469, 3631

We can check our work by multiplying all of the prime factors together: 2 x 2 x 17 x 3,469 x 3,631 = 856,523,852

This can also be written as 22 x 171 x 3,4691 x 3,6311 = 856,523,852

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


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