Q: What are the prime factors of the number 25,136,523?

 A: 3, 17, 164291

Why are those the prime factors of the number 25,136,523?

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 25,136,523

25,136,523
Factor Arrows
38,378,841
Factor Arrows
32,792,947
Factor Arrows
17164,291

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:

3, 17, 164291

We can check our work by multiplying all of the prime factors together: 3 x 3 x 17 x 164,291 = 25,136,523

This can also be written as 32 x 171 x 164,2911 = 25,136,523

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


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