Q: What are the prime factors of the number 28,338,544?

 A: 2, 13, 41, 3323

Why are those the prime factors of the number 28,338,544?

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 28,338,544

28,338,544
Factor Arrows
214,169,272
Factor Arrows
27,084,636
Factor Arrows
23,542,318
Factor Arrows
21,771,159
Factor Arrows
13136,243
Factor Arrows
413,323

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, 13, 41, 3323

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 41 x 3,323 = 28,338,544

This can also be written as 24 x 131 x 411 x 3,3231 = 28,338,544

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


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