Q: What are the prime factors of the number 133,022,340?

 A: 2, 3, 5, 11, 23, 127

Why are those the prime factors of the number 133,022,340?

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 133,022,340

133,022,340
Factor Arrows
266,511,170
Factor Arrows
233,255,585
Factor Arrows
311,085,195
Factor Arrows
33,695,065
Factor Arrows
5739,013
Factor Arrows
1167,183
Factor Arrows
232,921
Factor Arrows
23127

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, 11, 23, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 11 x 23 x 23 x 127 = 133,022,340

This can also be written as 22 x 32 x 51 x 111 x 232 x 1271 = 133,022,340

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


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