Q: What are the prime factors of the number 530,262,450?

 A: 2, 3, 5, 19, 2297

Why are those the prime factors of the number 530,262,450?

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 530,262,450

530,262,450
Factor Arrows
2265,131,225
Factor Arrows
388,377,075
Factor Arrows
329,459,025
Factor Arrows
39,819,675
Factor Arrows
33,273,225
Factor Arrows
31,091,075
Factor Arrows
5218,215
Factor Arrows
543,643
Factor Arrows
192,297

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, 2297

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 19 x 2,297 = 530,262,450

This can also be written as 21 x 35 x 52 x 191 x 2,2971 = 530,262,450

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


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