Q: What are the prime factors of the number 133,447,230?

 A: 2, 3, 5, 7, 70607

Why are those the prime factors of the number 133,447,230?

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 133,447,230

133,447,230
Factor Arrows
266,723,615
Factor Arrows
322,241,205
Factor Arrows
37,413,735
Factor Arrows
32,471,245
Factor Arrows
5494,249
Factor Arrows
770,607

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, 7, 70607

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 7 x 70,607 = 133,447,230

This can also be written as 21 x 33 x 51 x 71 x 70,6071 = 133,447,230

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


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