Q: What are the prime factors of the number 31,141,026?

 A: 2, 3, 7, 59, 71

Why are those the prime factors of the number 31,141,026?

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 31,141,026

31,141,026
Factor Arrows
215,570,513
Factor Arrows
35,190,171
Factor Arrows
31,730,057
Factor Arrows
7247,151
Factor Arrows
594,189
Factor Arrows
5971

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, 7, 59, 71

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 59 x 59 x 71 = 31,141,026

This can also be written as 21 x 32 x 71 x 592 x 711 = 31,141,026

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


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