Q: What are the prime factors of the number 13,672,672?

 A: 2, 13, 23, 1429

Why are those the prime factors of the number 13,672,672?

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 13,672,672

13,672,672
Factor Arrows
26,836,336
Factor Arrows
23,418,168
Factor Arrows
21,709,084
Factor Arrows
2854,542
Factor Arrows
2427,271
Factor Arrows
1332,867
Factor Arrows
231,429

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, 23, 1429

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 23 x 1,429 = 13,672,672

This can also be written as 25 x 131 x 231 x 1,4291 = 13,672,672

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


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