Q: What are the prime factors of the number 25,289,750?

 A: 2, 5, 101159

Why are those the prime factors of the number 25,289,750?

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 25,289,750

25,289,750
Factor Arrows
212,644,875
Factor Arrows
52,528,975
Factor Arrows
5505,795
Factor Arrows
5101,159

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, 101159

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 101,159 = 25,289,750

This can also be written as 21 x 53 x 101,1591 = 25,289,750

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


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