Q: What are the prime factors of the number 13,606,688?

 A: 2, 47, 83, 109

Why are those the prime factors of the number 13,606,688?

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 13,606,688

13,606,688
Factor Arrows
26,803,344
Factor Arrows
23,401,672
Factor Arrows
21,700,836
Factor Arrows
2850,418
Factor Arrows
2425,209
Factor Arrows
479,047
Factor Arrows
83109

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, 47, 83, 109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 47 x 83 x 109 = 13,606,688

This can also be written as 25 x 471 x 831 x 1091 = 13,606,688

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


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