Q: What are the prime factors of the number 211,022,112?

 A: 2, 3, 7, 314021

Why are those the prime factors of the number 211,022,112?

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 211,022,112

211,022,112
Factor Arrows
2105,511,056
Factor Arrows
252,755,528
Factor Arrows
226,377,764
Factor Arrows
213,188,882
Factor Arrows
26,594,441
Factor Arrows
32,198,147
Factor Arrows
7314,021

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, 3, 7, 314021

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 7 x 314,021 = 211,022,112

This can also be written as 25 x 31 x 71 x 314,0211 = 211,022,112

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


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