Q: What are the prime factors of the number 125,021,111?

 A: 17, 25447

Why are those the prime factors of the number 125,021,111?

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 125,021,111

125,021,111
Factor Arrows
177,354,183
Factor Arrows
17432,599
Factor Arrows
1725,447

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:

17, 25447

We can check our work by multiplying all of the prime factors together: 17 x 17 x 17 x 25,447 = 125,021,111

This can also be written as 173 x 25,4471 = 125,021,111

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


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