Q: What are the prime factors of the number 133,540,047?

 A: 3, 23, 167, 3863

Why are those the prime factors of the number 133,540,047?

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 133,540,047

133,540,047
Factor Arrows
344,513,349
Factor Arrows
314,837,783
Factor Arrows
23645,121
Factor Arrows
1673,863

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, 23, 167, 3863

We can check our work by multiplying all of the prime factors together: 3 x 3 x 23 x 167 x 3,863 = 133,540,047

This can also be written as 32 x 231 x 1671 x 3,8631 = 133,540,047

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


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