Q: What are the prime factors of the number 53,136,160?

 A: 2, 5, 7, 11, 19, 227

Why are those the prime factors of the number 53,136,160?

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 53,136,160

53,136,160
Factor Arrows
226,568,080
Factor Arrows
213,284,040
Factor Arrows
26,642,020
Factor Arrows
23,321,010
Factor Arrows
21,660,505
Factor Arrows
5332,101
Factor Arrows
747,443
Factor Arrows
114,313
Factor Arrows
19227

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, 11, 19, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 7 x 11 x 19 x 227 = 53,136,160

This can also be written as 25 x 51 x 71 x 111 x 191 x 2271 = 53,136,160

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


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