Q: What are the prime factors of the number 16,940,384?

 A: 2, 31, 17077

Why are those the prime factors of the number 16,940,384?

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 16,940,384

16,940,384
Factor Arrows
28,470,192
Factor Arrows
24,235,096
Factor Arrows
22,117,548
Factor Arrows
21,058,774
Factor Arrows
2529,387
Factor Arrows
3117,077

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, 31, 17077

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 31 x 17,077 = 16,940,384

This can also be written as 25 x 311 x 17,0771 = 16,940,384

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


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