Q: What are the prime factors of the number 12,249,819?

 A: 3, 79, 5743

Why are those the prime factors of the number 12,249,819?

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 12,249,819

12,249,819
Factor Arrows
34,083,273
Factor Arrows
31,361,091
Factor Arrows
3453,697
Factor Arrows
795,743

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:

3, 79, 5743

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 79 x 5,743 = 12,249,819

This can also be written as 33 x 791 x 5,7431 = 12,249,819

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


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