Q: What are the prime factors of the number 31,775,650?

 A: 2, 5, 23, 27631

Why are those the prime factors of the number 31,775,650?

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 31,775,650

31,775,650
Factor Arrows
215,887,825
Factor Arrows
53,177,565
Factor Arrows
5635,513
Factor Arrows
2327,631

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, 5, 23, 27631

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 23 x 27,631 = 31,775,650

This can also be written as 21 x 52 x 231 x 27,6311 = 31,775,650

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


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