Q: What are the prime factors of the number 33,568,128?

 A: 2, 3, 11, 883

Why are those the prime factors of the number 33,568,128?

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 33,568,128

33,568,128
Factor Arrows
216,784,064
Factor Arrows
28,392,032
Factor Arrows
24,196,016
Factor Arrows
22,098,008
Factor Arrows
21,049,004
Factor Arrows
2524,502
Factor Arrows
2262,251
Factor Arrows
387,417
Factor Arrows
329,139
Factor Arrows
39,713
Factor Arrows
11883

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, 11, 883

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 11 x 883 = 33,568,128

This can also be written as 27 x 33 x 111 x 8831 = 33,568,128

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


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