Q: What are the prime factors of the number 13,969,791?

 A: 3, 11, 73, 1933

Why are those the prime factors of the number 13,969,791?

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 13,969,791

13,969,791
Factor Arrows
34,656,597
Factor Arrows
31,552,199
Factor Arrows
11141,109
Factor Arrows
731,933

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, 11, 73, 1933

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 73 x 1,933 = 13,969,791

This can also be written as 32 x 111 x 731 x 1,9331 = 13,969,791

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


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