Q: What are the prime factors of the number 12,787,608?

 A: 2, 3, 19, 29, 967

Why are those the prime factors of the number 12,787,608?

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 12,787,608

12,787,608
Factor Arrows
26,393,804
Factor Arrows
23,196,902
Factor Arrows
21,598,451
Factor Arrows
3532,817
Factor Arrows
1928,043
Factor Arrows
29967

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, 19, 29, 967

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 19 x 29 x 967 = 12,787,608

This can also be written as 23 x 31 x 191 x 291 x 9671 = 12,787,608

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


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