Q: What are the prime factors of the number 583,128?

 A: 2, 3, 7, 13, 89

Why are those the prime factors of the number 583,128?

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 583,128

583,128
Factor Arrows
2291,564
Factor Arrows
2145,782
Factor Arrows
272,891
Factor Arrows
324,297
Factor Arrows
38,099
Factor Arrows
71,157
Factor Arrows
1389

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, 7, 13, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 13 x 89 = 583,128

This can also be written as 23 x 32 x 71 x 131 x 891 = 583,128

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


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