Q: What are the prime factors of the number 8,847,664?

 A: 2, 7, 197, 401

Why are those the prime factors of the number 8,847,664?

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 8,847,664

8,847,664
Factor Arrows
24,423,832
Factor Arrows
22,211,916
Factor Arrows
21,105,958
Factor Arrows
2552,979
Factor Arrows
778,997
Factor Arrows
197401

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, 7, 197, 401

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 197 x 401 = 8,847,664

This can also be written as 24 x 71 x 1971 x 4011 = 8,847,664

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


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