Q: What are the prime factors of the number 28,024,072?

 A: 2, 3503009

Why are those the prime factors of the number 28,024,072?

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 28,024,072

28,024,072
Factor Arrows
214,012,036
Factor Arrows
27,006,018
Factor Arrows
23,503,009

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, 3503009

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3,503,009 = 28,024,072

This can also be written as 23 x 3,503,0091 = 28,024,072

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


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