Q: What are the prime factors of the number 530,332,560?

 A: 2, 3, 5, 19, 38767

Why are those the prime factors of the number 530,332,560?

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 530,332,560

530,332,560
Factor Arrows
2265,166,280
Factor Arrows
2132,583,140
Factor Arrows
266,291,570
Factor Arrows
233,145,785
Factor Arrows
311,048,595
Factor Arrows
33,682,865
Factor Arrows
5736,573
Factor Arrows
1938,767

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, 19, 38767

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 19 x 38,767 = 530,332,560

This can also be written as 24 x 32 x 51 x 191 x 38,7671 = 530,332,560

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


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