Q: What are the prime factors of the number 5,160,064?

 A: 2, 7, 13, 443

Why are those the prime factors of the number 5,160,064?

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 5,160,064

5,160,064
Factor Arrows
22,580,032
Factor Arrows
21,290,016
Factor Arrows
2645,008
Factor Arrows
2322,504
Factor Arrows
2161,252
Factor Arrows
280,626
Factor Arrows
240,313
Factor Arrows
75,759
Factor Arrows
13443

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, 443

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 7 x 13 x 443 = 5,160,064

This can also be written as 27 x 71 x 131 x 4431 = 5,160,064

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


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