Q: What are the prime factors of the number 125,154,016?

 A: 2, 13, 300851

Why are those the prime factors of the number 125,154,016?

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 125,154,016

125,154,016
Factor Arrows
262,577,008
Factor Arrows
231,288,504
Factor Arrows
215,644,252
Factor Arrows
27,822,126
Factor Arrows
23,911,063
Factor Arrows
13300,851

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, 13, 300851

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 300,851 = 125,154,016

This can also be written as 25 x 131 x 300,8511 = 125,154,016

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


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