Q: What are the prime factors of the number 585,990?

 A: 2, 3, 5, 17, 383

Why are those the prime factors of the number 585,990?

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 585,990

585,990
Factor Arrows
2292,995
Factor Arrows
397,665
Factor Arrows
332,555
Factor Arrows
56,511
Factor Arrows
17383

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, 17, 383

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 17 x 383 = 585,990

This can also be written as 21 x 32 x 51 x 171 x 3831 = 585,990

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


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