Q: What are the prime factors of the number 11,936,979?

 A: 3, 79, 103, 163

Why are those the prime factors of the number 11,936,979?

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 11,936,979

11,936,979
Factor Arrows
33,978,993
Factor Arrows
31,326,331
Factor Arrows
7916,789
Factor Arrows
103163

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, 79, 103, 163

We can check our work by multiplying all of the prime factors together: 3 x 3 x 79 x 103 x 163 = 11,936,979

This can also be written as 32 x 791 x 1031 x 1631 = 11,936,979

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


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