Q: What are the prime factors of the number 2,820,559?

 A: 7, 23, 17519

Why are those the prime factors of the number 2,820,559?

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 2,820,559

2,820,559
Factor Arrows
7402,937
Factor Arrows
2317,519

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:

7, 23, 17519

We can check our work by multiplying all of the prime factors together: 7 x 23 x 17,519 = 2,820,559

This can also be written as 71 x 231 x 17,5191 = 2,820,559

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


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