Q: What are the prime factors of the number 134,144,128?

 A: 2, 41, 25561

Why are those the prime factors of the number 134,144,128?

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 134,144,128

134,144,128
Factor Arrows
267,072,064
Factor Arrows
233,536,032
Factor Arrows
216,768,016
Factor Arrows
28,384,008
Factor Arrows
24,192,004
Factor Arrows
22,096,002
Factor Arrows
21,048,001
Factor Arrows
4125,561

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, 41, 25561

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 41 x 25,561 = 134,144,128

This can also be written as 27 x 411 x 25,5611 = 134,144,128

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


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