Q: What are the prime factors of the number 13,726,512?

 A: 2, 3, 19, 29, 173

Why are those the prime factors of the number 13,726,512?

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 13,726,512

13,726,512
Factor Arrows
26,863,256
Factor Arrows
23,431,628
Factor Arrows
21,715,814
Factor Arrows
2857,907
Factor Arrows
3285,969
Factor Arrows
395,323
Factor Arrows
195,017
Factor Arrows
29173

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, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 19 x 29 x 173 = 13,726,512

This can also be written as 24 x 32 x 191 x 291 x 1731 = 13,726,512

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


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