Q: What are the prime factors of the number 30,287,808?

 A: 2, 3, 52583

Why are those the prime factors of the number 30,287,808?

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 30,287,808

30,287,808
Factor Arrows
215,143,904
Factor Arrows
27,571,952
Factor Arrows
23,785,976
Factor Arrows
21,892,988
Factor Arrows
2946,494
Factor Arrows
2473,247
Factor Arrows
3157,749
Factor Arrows
352,583

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, 52583

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 52,583 = 30,287,808

This can also be written as 26 x 32 x 52,5831 = 30,287,808

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


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