Q: What are the prime factors of the number 26,978,424?

 A: 2, 3, 11, 102191

Why are those the prime factors of the number 26,978,424?

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 26,978,424

26,978,424
Factor Arrows
213,489,212
Factor Arrows
26,744,606
Factor Arrows
23,372,303
Factor Arrows
31,124,101
Factor Arrows
11102,191

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, 3, 11, 102191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 102,191 = 26,978,424

This can also be written as 23 x 31 x 111 x 102,1911 = 26,978,424

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


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