Q: What are the prime factors of the number 826,287?

 A: 3, 7, 11, 73

Why are those the prime factors of the number 826,287?

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 826,287

826,287
Factor Arrows
3275,429
Factor Arrows
739,347
Factor Arrows
75,621
Factor Arrows
7803
Factor Arrows
1173

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, 7, 11, 73

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 11 x 73 = 826,287

This can also be written as 31 x 73 x 111 x 731 = 826,287

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


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