Q: What are the prime factors of the number 212,368?

 A: 2, 13, 1021

Why are those the prime factors of the number 212,368?

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 212,368

212,368
Factor Arrows
2106,184
Factor Arrows
253,092
Factor Arrows
226,546
Factor Arrows
213,273
Factor Arrows
131,021

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, 13, 1021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 1,021 = 212,368

This can also be written as 24 x 131 x 1,0211 = 212,368

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


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