Q: What are the prime factors of the number 8,188,635?

 A: 3, 5, 7, 13, 857

Why are those the prime factors of the number 8,188,635?

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 8,188,635

8,188,635
Factor Arrows
32,729,545
Factor Arrows
5545,909
Factor Arrows
777,987
Factor Arrows
711,141
Factor Arrows
13857

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, 5, 7, 13, 857

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 13 x 857 = 8,188,635

This can also be written as 31 x 51 x 72 x 131 x 8571 = 8,188,635

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


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