Q: What are the prime factors of the number 16,071,664?

 A: 2, 7, 17, 23, 367

Why are those the prime factors of the number 16,071,664?

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 16,071,664

16,071,664
Factor Arrows
28,035,832
Factor Arrows
24,017,916
Factor Arrows
22,008,958
Factor Arrows
21,004,479
Factor Arrows
7143,497
Factor Arrows
178,441
Factor Arrows
23367

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, 17, 23, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 23 x 367 = 16,071,664

This can also be written as 24 x 71 x 171 x 231 x 3671 = 16,071,664

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


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