Q: What are the prime factors of the number 22,804,224?

 A: 2, 3, 23, 1291

Why are those the prime factors of the number 22,804,224?

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 22,804,224

22,804,224
Factor Arrows
211,402,112
Factor Arrows
25,701,056
Factor Arrows
22,850,528
Factor Arrows
21,425,264
Factor Arrows
2712,632
Factor Arrows
2356,316
Factor Arrows
2178,158
Factor Arrows
289,079
Factor Arrows
329,693
Factor Arrows
231,291

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, 23, 1291

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 3 x 23 x 1,291 = 22,804,224

This can also be written as 28 x 31 x 231 x 1,2911 = 22,804,224

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


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