Q: What are the prime factors of the number 133,032,208?

 A: 2, 17, 41, 79, 151

Why are those the prime factors of the number 133,032,208?

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 133,032,208

133,032,208
Factor Arrows
266,516,104
Factor Arrows
233,258,052
Factor Arrows
216,629,026
Factor Arrows
28,314,513
Factor Arrows
17489,089
Factor Arrows
4111,929
Factor Arrows
79151

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, 17, 41, 79, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 41 x 79 x 151 = 133,032,208

This can also be written as 24 x 171 x 411 x 791 x 1511 = 133,032,208

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


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