Q: What are the prime factors of the number 31,539,332?

 A: 2, 11, 41, 17483

Why are those the prime factors of the number 31,539,332?

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 31,539,332

31,539,332
Factor Arrows
215,769,666
Factor Arrows
27,884,833
Factor Arrows
11716,803
Factor Arrows
4117,483

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, 41, 17483

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 41 x 17,483 = 31,539,332

This can also be written as 22 x 111 x 411 x 17,4831 = 31,539,332

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


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