Q: What are the prime factors of the number 31,681,006?

 A: 2, 7, 163, 13883

Why are those the prime factors of the number 31,681,006?

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 31,681,006

31,681,006
Factor Arrows
215,840,503
Factor Arrows
72,262,929
Factor Arrows
16313,883

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, 7, 163, 13883

We can check our work by multiplying all of the prime factors together: 2 x 7 x 163 x 13,883 = 31,681,006

This can also be written as 21 x 71 x 1631 x 13,8831 = 31,681,006

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


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