Q: What are the prime factors of the number 17,372,224?

 A: 2, 521

Why are those the prime factors of the number 17,372,224?

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 17,372,224

17,372,224
Factor Arrows
28,686,112
Factor Arrows
24,343,056
Factor Arrows
22,171,528
Factor Arrows
21,085,764
Factor Arrows
2542,882
Factor Arrows
2271,441
Factor Arrows
521521

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, 521

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 521 x 521 = 17,372,224

This can also be written as 26 x 5212 = 17,372,224

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


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