Q: What are the prime factors of the number 31,716,684?

 A: 2, 3, 53, 1847

Why are those the prime factors of the number 31,716,684?

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 31,716,684

31,716,684
Factor Arrows
215,858,342
Factor Arrows
27,929,171
Factor Arrows
32,643,057
Factor Arrows
3881,019
Factor Arrows
3293,673
Factor Arrows
397,891
Factor Arrows
531,847

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, 3, 53, 1847

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 53 x 1,847 = 31,716,684

This can also be written as 22 x 34 x 531 x 1,8471 = 31,716,684

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


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