Q: What are the prime factors of the number 125,752,040?

 A: 2, 5, 23, 53, 2579

Why are those the prime factors of the number 125,752,040?

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 125,752,040

125,752,040
Factor Arrows
262,876,020
Factor Arrows
231,438,010
Factor Arrows
215,719,005
Factor Arrows
53,143,801
Factor Arrows
23136,687
Factor Arrows
532,579

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, 5, 23, 53, 2579

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 23 x 53 x 2,579 = 125,752,040

This can also be written as 23 x 51 x 231 x 531 x 2,5791 = 125,752,040

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


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