Q: What are the prime factors of the number 857,701?

 A: 13, 17, 3881

Why are those the prime factors of the number 857,701?

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 857,701

857,701
Factor Arrows
1365,977
Factor Arrows
173,881

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:

13, 17, 3881

We can check our work by multiplying all of the prime factors together: 13 x 17 x 3,881 = 857,701

This can also be written as 131 x 171 x 3,8811 = 857,701

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


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