Q: What are the prime factors of the number 12,458,061?

 A: 3, 7, 11, 17977

Why are those the prime factors of the number 12,458,061?

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 12,458,061

12,458,061
Factor Arrows
34,152,687
Factor Arrows
31,384,229
Factor Arrows
7197,747
Factor Arrows
1117,977

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, 7, 11, 17977

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 11 x 17,977 = 12,458,061

This can also be written as 32 x 71 x 111 x 17,9771 = 12,458,061

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


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