Q: What are the prime factors of the number 16,575,360?

 A: 2, 3, 5, 89, 97

Why are those the prime factors of the number 16,575,360?

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 16,575,360

16,575,360
Factor Arrows
28,287,680
Factor Arrows
24,143,840
Factor Arrows
22,071,920
Factor Arrows
21,035,960
Factor Arrows
2517,980
Factor Arrows
2258,990
Factor Arrows
2129,495
Factor Arrows
343,165
Factor Arrows
58,633
Factor Arrows
8997

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, 3, 5, 89, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 89 x 97 = 16,575,360

This can also be written as 27 x 31 x 51 x 891 x 971 = 16,575,360

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


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