Q: What are the prime factors of the number 585,690?

 A: 2, 3, 5, 7, 2789

Why are those the prime factors of the number 585,690?

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 585,690

585,690
Factor Arrows
2292,845
Factor Arrows
397,615
Factor Arrows
519,523
Factor Arrows
72,789

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:

2, 3, 5, 7, 2789

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 7 x 2,789 = 585,690

This can also be written as 21 x 31 x 51 x 71 x 2,7891 = 585,690

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


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