Q: What are the prime factors of the number 13,889,696?

 A: 2, 89, 4877

Why are those the prime factors of the number 13,889,696?

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 13,889,696

13,889,696
Factor Arrows
26,944,848
Factor Arrows
23,472,424
Factor Arrows
21,736,212
Factor Arrows
2868,106
Factor Arrows
2434,053
Factor Arrows
894,877

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, 89, 4877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 89 x 4,877 = 13,889,696

This can also be written as 25 x 891 x 4,8771 = 13,889,696

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


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