Q: What are the prime factors of the number 133,536,330?

 A: 2, 3, 5, 37, 13367

Why are those the prime factors of the number 133,536,330?

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 133,536,330

133,536,330
Factor Arrows
266,768,165
Factor Arrows
322,256,055
Factor Arrows
37,418,685
Factor Arrows
32,472,895
Factor Arrows
5494,579
Factor Arrows
3713,367

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, 5, 37, 13367

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 37 x 13,367 = 133,536,330

This can also be written as 21 x 33 x 51 x 371 x 13,3671 = 133,536,330

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


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