Q: What are the prime factors of the number 28,567,441?

 A: 7, 37, 2251

Why are those the prime factors of the number 28,567,441?

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 28,567,441

28,567,441
Factor Arrows
74,081,063
Factor Arrows
7583,009
Factor Arrows
783,287
Factor Arrows
372,251

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:

7, 37, 2251

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 37 x 2,251 = 28,567,441

This can also be written as 73 x 371 x 2,2511 = 28,567,441

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


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