Q: What are the prime factors of the number 16,511,600?

 A: 2, 5, 7, 5897

Why are those the prime factors of the number 16,511,600?

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 16,511,600

16,511,600
Factor Arrows
28,255,800
Factor Arrows
24,127,900
Factor Arrows
22,063,950
Factor Arrows
21,031,975
Factor Arrows
5206,395
Factor Arrows
541,279
Factor Arrows
75,897

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, 5, 7, 5897

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 7 x 5,897 = 16,511,600

This can also be written as 24 x 52 x 71 x 5,8971 = 16,511,600

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


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