Q: What are the prime factors of the number 820,935?

 A: 3, 5, 2027

Why are those the prime factors of the number 820,935?

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 820,935

820,935
Factor Arrows
3273,645
Factor Arrows
391,215
Factor Arrows
330,405
Factor Arrows
310,135
Factor Arrows
52,027

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, 2027

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 2,027 = 820,935

This can also be written as 34 x 51 x 2,0271 = 820,935

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


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