Q: What are the prime factors of the number 530,040?

 A: 2, 3, 5, 7, 631

Why are those the prime factors of the number 530,040?

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 530,040

530,040
Factor Arrows
2265,020
Factor Arrows
2132,510
Factor Arrows
266,255
Factor Arrows
322,085
Factor Arrows
54,417
Factor Arrows
7631

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, 631

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 7 x 631 = 530,040

This can also be written as 23 x 31 x 51 x 71 x 6311 = 530,040

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


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