Q: What are the prime factors of the number 33,912,171?

 A: 3, 31, 197, 617

Why are those the prime factors of the number 33,912,171?

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 33,912,171

33,912,171
Factor Arrows
311,304,057
Factor Arrows
33,768,019
Factor Arrows
31121,549
Factor Arrows
197617

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:

3, 31, 197, 617

We can check our work by multiplying all of the prime factors together: 3 x 3 x 31 x 197 x 617 = 33,912,171

This can also be written as 32 x 311 x 1971 x 6171 = 33,912,171

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


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