Q: What are the prime factors of the number 212,471,328?

 A: 2, 3, 2213243

Why are those the prime factors of the number 212,471,328?

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 212,471,328

212,471,328
Factor Arrows
2106,235,664
Factor Arrows
253,117,832
Factor Arrows
226,558,916
Factor Arrows
213,279,458
Factor Arrows
26,639,729
Factor Arrows
32,213,243

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, 2213243

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 2,213,243 = 212,471,328

This can also be written as 25 x 31 x 2,213,2431 = 212,471,328

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


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