Q: What are the prime factors of the number 12,344,031?

 A: 3, 7, 23, 1217

Why are those the prime factors of the number 12,344,031?

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 12,344,031

12,344,031
Factor Arrows
34,114,677
Factor Arrows
31,371,559
Factor Arrows
7195,937
Factor Arrows
727,991
Factor Arrows
231,217

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, 23, 1217

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 23 x 1,217 = 12,344,031

This can also be written as 32 x 72 x 231 x 1,2171 = 12,344,031

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


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