Q: What are the prime factors of the number 133,330,340?

 A: 2, 5, 11, 13, 46619

Why are those the prime factors of the number 133,330,340?

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 133,330,340

133,330,340
Factor Arrows
266,665,170
Factor Arrows
233,332,585
Factor Arrows
56,666,517
Factor Arrows
11606,047
Factor Arrows
1346,619

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, 5, 11, 13, 46619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 13 x 46,619 = 133,330,340

This can also be written as 22 x 51 x 111 x 131 x 46,6191 = 133,330,340

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


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