Q: What are the prime factors of the number 211,712?

 A: 2, 827

Why are those the prime factors of the number 211,712?

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 211,712

211,712
Factor Arrows
2105,856
Factor Arrows
252,928
Factor Arrows
226,464
Factor Arrows
213,232
Factor Arrows
26,616
Factor Arrows
23,308
Factor Arrows
21,654
Factor Arrows
2827

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, 827

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 2 x 827 = 211,712

This can also be written as 28 x 8271 = 211,712

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


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