Q: What are the prime factors of the number 826,305?

 A: 3, 5, 31, 1777

Why are those the prime factors of the number 826,305?

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 826,305

826,305
Factor Arrows
3275,435
Factor Arrows
555,087
Factor Arrows
311,777

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, 31, 1777

We can check our work by multiplying all of the prime factors together: 3 x 5 x 31 x 1,777 = 826,305

This can also be written as 31 x 51 x 311 x 1,7771 = 826,305

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


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