Q: What are the prime factors of the number 827,925?

 A: 3, 5, 7, 19, 83

Why are those the prime factors of the number 827,925?

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 827,925

827,925
Factor Arrows
3275,975
Factor Arrows
555,195
Factor Arrows
511,039
Factor Arrows
71,577
Factor Arrows
1983

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, 19, 83

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 7 x 19 x 83 = 827,925

This can also be written as 31 x 52 x 71 x 191 x 831 = 827,925

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


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