Q: What are the prime factors of the number 2,721,632?

 A: 2, 17, 5003

Why are those the prime factors of the number 2,721,632?

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 2,721,632

2,721,632
Factor Arrows
21,360,816
Factor Arrows
2680,408
Factor Arrows
2340,204
Factor Arrows
2170,102
Factor Arrows
285,051
Factor Arrows
175,003

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, 17, 5003

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 5,003 = 2,721,632

This can also be written as 25 x 171 x 5,0031 = 2,721,632

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


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