Q: What are the prime factors of the number 530,725,608?

 A: 2, 3, 7, 43, 907

Why are those the prime factors of the number 530,725,608?

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 530,725,608

530,725,608
Factor Arrows
2265,362,804
Factor Arrows
2132,681,402
Factor Arrows
266,340,701
Factor Arrows
322,113,567
Factor Arrows
37,371,189
Factor Arrows
32,457,063
Factor Arrows
3819,021
Factor Arrows
3273,007
Factor Arrows
739,001
Factor Arrows
43907

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, 43, 907

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 7 x 43 x 907 = 530,725,608

This can also be written as 23 x 35 x 71 x 431 x 9071 = 530,725,608

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


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