Q: What are the prime factors of the number 33,210,018?

 A: 2, 3, 43, 107, 401

Why are those the prime factors of the number 33,210,018?

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 33,210,018

33,210,018
Factor Arrows
216,605,009
Factor Arrows
35,535,003
Factor Arrows
31,845,001
Factor Arrows
4342,907
Factor Arrows
107401

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, 43, 107, 401

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 43 x 107 x 401 = 33,210,018

This can also be written as 21 x 32 x 431 x 1071 x 4011 = 33,210,018

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


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