Q: What are the prime factors of the number 212,256?

 A: 2, 3, 11, 67

Why are those the prime factors of the number 212,256?

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 212,256

212,256
Factor Arrows
2106,128
Factor Arrows
253,064
Factor Arrows
226,532
Factor Arrows
213,266
Factor Arrows
26,633
Factor Arrows
32,211
Factor Arrows
3737
Factor Arrows
1167

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, 11, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 11 x 67 = 212,256

This can also be written as 25 x 32 x 111 x 671 = 212,256

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


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