Q: What are the prime factors of the number 133,311,123?

 A: 3, 11, 448859

Why are those the prime factors of the number 133,311,123?

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 133,311,123

133,311,123
Factor Arrows
344,437,041
Factor Arrows
314,812,347
Factor Arrows
34,937,449
Factor Arrows
11448,859

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, 11, 448859

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 448,859 = 133,311,123

This can also be written as 33 x 111 x 448,8591 = 133,311,123

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


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