Q: What are the prime factors of the number 28,586,163?

 A: 3, 17, 37, 15149

Why are those the prime factors of the number 28,586,163?

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 28,586,163

28,586,163
Factor Arrows
39,528,721
Factor Arrows
17560,513
Factor Arrows
3715,149

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, 37, 15149

We can check our work by multiplying all of the prime factors together: 3 x 17 x 37 x 15,149 = 28,586,163

This can also be written as 31 x 171 x 371 x 15,1491 = 28,586,163

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


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