Q: What are the prime factors of the number 33,123,013?

 A: 7, 11, 23, 59, 317

Why are those the prime factors of the number 33,123,013?

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 33,123,013

33,123,013
Factor Arrows
74,731,859
Factor Arrows
11430,169
Factor Arrows
2318,703
Factor Arrows
59317

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:

7, 11, 23, 59, 317

We can check our work by multiplying all of the prime factors together: 7 x 11 x 23 x 59 x 317 = 33,123,013

This can also be written as 71 x 111 x 231 x 591 x 3171 = 33,123,013

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


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