Q: What are the prime factors of the number 12,321,413?

 A: 13, 17, 127, 439

Why are those the prime factors of the number 12,321,413?

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 12,321,413

12,321,413
Factor Arrows
13947,801
Factor Arrows
1755,753
Factor Arrows
127439

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:

13, 17, 127, 439

We can check our work by multiplying all of the prime factors together: 13 x 17 x 127 x 439 = 12,321,413

This can also be written as 131 x 171 x 1271 x 4391 = 12,321,413

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


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