Q: What are the prime factors of the number 12,411,144?

 A: 2, 3, 107, 179

Why are those the prime factors of the number 12,411,144?

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 12,411,144

12,411,144
Factor Arrows
26,205,572
Factor Arrows
23,102,786
Factor Arrows
21,551,393
Factor Arrows
3517,131
Factor Arrows
3172,377
Factor Arrows
357,459
Factor Arrows
319,153
Factor Arrows
107179

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:

2, 3, 107, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 107 x 179 = 12,411,144

This can also be written as 23 x 34 x 1071 x 1791 = 12,411,144

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


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