Q: What are the prime factors of the number 31,100,032?

 A: 2, 229, 1061

Why are those the prime factors of the number 31,100,032?

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 31,100,032

31,100,032
Factor Arrows
215,550,016
Factor Arrows
27,775,008
Factor Arrows
23,887,504
Factor Arrows
21,943,752
Factor Arrows
2971,876
Factor Arrows
2485,938
Factor Arrows
2242,969
Factor Arrows
2291,061

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, 229, 1061

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 2 x 229 x 1,061 = 31,100,032

This can also be written as 27 x 2291 x 1,0611 = 31,100,032

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


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