Q: What are the prime factors of the number 22,112,512?

 A: 2, 17, 5081

Why are those the prime factors of the number 22,112,512?

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 22,112,512

22,112,512
Factor Arrows
211,056,256
Factor Arrows
25,528,128
Factor Arrows
22,764,064
Factor Arrows
21,382,032
Factor Arrows
2691,016
Factor Arrows
2345,508
Factor Arrows
2172,754
Factor Arrows
286,377
Factor Arrows
175,081

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, 17, 5081

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 2 x 17 x 5,081 = 22,112,512

This can also be written as 28 x 171 x 5,0811 = 22,112,512

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


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