Q: What are the prime factors of the number 31,332,004?

 A: 2, 11, 509, 1399

Why are those the prime factors of the number 31,332,004?

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 31,332,004

31,332,004
Factor Arrows
215,666,002
Factor Arrows
27,833,001
Factor Arrows
11712,091
Factor Arrows
5091,399

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, 11, 509, 1399

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 509 x 1,399 = 31,332,004

This can also be written as 22 x 111 x 5091 x 1,3991 = 31,332,004

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


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