Q: What are the prime factors of the number 28,805,514?

 A: 2, 3, 17, 282407

Why are those the prime factors of the number 28,805,514?

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 28,805,514

28,805,514
Factor Arrows
214,402,757
Factor Arrows
34,800,919
Factor Arrows
17282,407

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, 3, 17, 282407

We can check our work by multiplying all of the prime factors together: 2 x 3 x 17 x 282,407 = 28,805,514

This can also be written as 21 x 31 x 171 x 282,4071 = 28,805,514

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


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