Q: What are the prime factors of the number 13,983,081?

 A: 3, 7, 107, 127

Why are those the prime factors of the number 13,983,081?

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 13,983,081

13,983,081
Factor Arrows
34,661,027
Factor Arrows
7665,861
Factor Arrows
795,123
Factor Arrows
713,589
Factor Arrows
107127

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:

3, 7, 107, 127

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 107 x 127 = 13,983,081

This can also be written as 31 x 73 x 1071 x 1271 = 13,983,081

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


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