Q: What are the prime factors of the number 530,541,424?

 A: 2, 7, 277, 349

Why are those the prime factors of the number 530,541,424?

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 530,541,424

530,541,424
Factor Arrows
2265,270,712
Factor Arrows
2132,635,356
Factor Arrows
266,317,678
Factor Arrows
233,158,839
Factor Arrows
74,736,977
Factor Arrows
7676,711
Factor Arrows
796,673
Factor Arrows
277349

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, 7, 277, 349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 7 x 277 x 349 = 530,541,424

This can also be written as 24 x 73 x 2771 x 3491 = 530,541,424

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


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