Q: What are the prime factors of the number 32,605,664?

 A: 2, 7, 13, 11197

Why are those the prime factors of the number 32,605,664?

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 32,605,664

32,605,664
Factor Arrows
216,302,832
Factor Arrows
28,151,416
Factor Arrows
24,075,708
Factor Arrows
22,037,854
Factor Arrows
21,018,927
Factor Arrows
7145,561
Factor Arrows
1311,197

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, 13, 11197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 13 x 11,197 = 32,605,664

This can also be written as 25 x 71 x 131 x 11,1971 = 32,605,664

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


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