Q: What are the prime factors of the number 7,678,368?

 A: 2, 3, 8887

Why are those the prime factors of the number 7,678,368?

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 7,678,368

7,678,368
Factor Arrows
23,839,184
Factor Arrows
21,919,592
Factor Arrows
2959,796
Factor Arrows
2479,898
Factor Arrows
2239,949
Factor Arrows
379,983
Factor Arrows
326,661
Factor Arrows
38,887

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, 8887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 8,887 = 7,678,368

This can also be written as 25 x 33 x 8,8871 = 7,678,368

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


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