Q: What are the prime factors of the number 11,412,312?

 A: 2, 3, 19, 29, 863

Why are those the prime factors of the number 11,412,312?

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 11,412,312

11,412,312
Factor Arrows
25,706,156
Factor Arrows
22,853,078
Factor Arrows
21,426,539
Factor Arrows
3475,513
Factor Arrows
1925,027
Factor Arrows
29863

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, 19, 29, 863

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 19 x 29 x 863 = 11,412,312

This can also be written as 23 x 31 x 191 x 291 x 8631 = 11,412,312

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


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