Q: What are the prime factors of the number 13,312,832?

 A: 2, 13, 16001

Why are those the prime factors of the number 13,312,832?

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 13,312,832

13,312,832
Factor Arrows
26,656,416
Factor Arrows
23,328,208
Factor Arrows
21,664,104
Factor Arrows
2832,052
Factor Arrows
2416,026
Factor Arrows
2208,013
Factor Arrows
1316,001

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, 13, 16001

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 13 x 16,001 = 13,312,832

This can also be written as 26 x 131 x 16,0011 = 13,312,832

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


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