Q: What are the prime factors of the number 31,335,417?

 A: 3, 47, 8231

Why are those the prime factors of the number 31,335,417?

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 31,335,417

31,335,417
Factor Arrows
310,445,139
Factor Arrows
33,481,713
Factor Arrows
31,160,571
Factor Arrows
3386,857
Factor Arrows
478,231

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:

3, 47, 8231

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 47 x 8,231 = 31,335,417

This can also be written as 34 x 471 x 8,2311 = 31,335,417

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


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