Q: What are the prime factors of the number 886,221?

 A: 3, 7, 521

Why are those the prime factors of the number 886,221?

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 886,221

886,221
Factor Arrows
3295,407
Factor Arrows
398,469
Factor Arrows
332,823
Factor Arrows
310,941
Factor Arrows
33,647
Factor Arrows
7521

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:

3, 7, 521

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 521 = 886,221

This can also be written as 35 x 71 x 5211 = 886,221

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


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