Q: What are the prime factors of the number 125,082,370?

 A: 2, 5, 7, 137, 13043

Why are those the prime factors of the number 125,082,370?

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 125,082,370

125,082,370
Factor Arrows
262,541,185
Factor Arrows
512,508,237
Factor Arrows
71,786,891
Factor Arrows
13713,043

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, 7, 137, 13043

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 137 x 13,043 = 125,082,370

This can also be written as 21 x 51 x 71 x 1371 x 13,0431 = 125,082,370

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


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