Q: What are the prime factors of the number 133,413,121?

 A: 73, 83, 97, 227

Why are those the prime factors of the number 133,413,121?

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 133,413,121

133,413,121
Factor Arrows
731,827,577
Factor Arrows
8322,019
Factor Arrows
97227

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:

73, 83, 97, 227

We can check our work by multiplying all of the prime factors together: 73 x 83 x 97 x 227 = 133,413,121

This can also be written as 731 x 831 x 971 x 2271 = 133,413,121

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


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