Q: What are the prime factors of the number 16,688,462?

 A: 2, 7, 97, 12289

Why are those the prime factors of the number 16,688,462?

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 16,688,462

16,688,462
Factor Arrows
28,344,231
Factor Arrows
71,192,033
Factor Arrows
9712,289

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, 97, 12289

We can check our work by multiplying all of the prime factors together: 2 x 7 x 97 x 12,289 = 16,688,462

This can also be written as 21 x 71 x 971 x 12,2891 = 16,688,462

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


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