Q: What are the prime factors of the number 134,363,728?

 A: 2, 29, 289577

Why are those the prime factors of the number 134,363,728?

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 134,363,728

134,363,728
Factor Arrows
267,181,864
Factor Arrows
233,590,932
Factor Arrows
216,795,466
Factor Arrows
28,397,733
Factor Arrows
29289,577

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, 29, 289577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 289,577 = 134,363,728

This can also be written as 24 x 291 x 289,5771 = 134,363,728

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


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