Q: What are the prime factors of the number 133,110,110?

 A: 2, 5, 7, 47, 40459

Why are those the prime factors of the number 133,110,110?

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 133,110,110

133,110,110
Factor Arrows
266,555,055
Factor Arrows
513,311,011
Factor Arrows
71,901,573
Factor Arrows
4740,459

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, 5, 7, 47, 40459

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 47 x 40,459 = 133,110,110

This can also be written as 21 x 51 x 71 x 471 x 40,4591 = 133,110,110

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


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