Q: What are the prime factors of the number 31,853,992?

 A: 2, 3981749

Why are those the prime factors of the number 31,853,992?

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 31,853,992

31,853,992
Factor Arrows
215,926,996
Factor Arrows
27,963,498
Factor Arrows
23,981,749

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, 3981749

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3,981,749 = 31,853,992

This can also be written as 23 x 3,981,7491 = 31,853,992

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


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