Q: What are the prime factors of the number 543,030,250?

 A: 2, 5, 7, 97, 457

Why are those the prime factors of the number 543,030,250?

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 543,030,250

543,030,250
Factor Arrows
2271,515,125
Factor Arrows
554,303,025
Factor Arrows
510,860,605
Factor Arrows
52,172,121
Factor Arrows
7310,303
Factor Arrows
744,329
Factor Arrows
97457

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, 5, 7, 97, 457

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 7 x 7 x 97 x 457 = 543,030,250

This can also be written as 21 x 53 x 72 x 971 x 4571 = 543,030,250

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


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