Q: What are the prime factors of the number 14,856,816?

 A: 2, 3, 13, 29, 821

Why are those the prime factors of the number 14,856,816?

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 14,856,816

14,856,816
Factor Arrows
27,428,408
Factor Arrows
23,714,204
Factor Arrows
21,857,102
Factor Arrows
2928,551
Factor Arrows
3309,517
Factor Arrows
1323,809
Factor Arrows
29821

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, 13, 29, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 29 x 821 = 14,856,816

This can also be written as 24 x 31 x 131 x 291 x 8211 = 14,856,816

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


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