Q: What are the prime factors of the number 31,730,083?

 A: 7, 11, 151, 2729

Why are those the prime factors of the number 31,730,083?

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 31,730,083

31,730,083
Factor Arrows
74,532,869
Factor Arrows
11412,079
Factor Arrows
1512,729

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:

7, 11, 151, 2729

We can check our work by multiplying all of the prime factors together: 7 x 11 x 151 x 2,729 = 31,730,083

This can also be written as 71 x 111 x 1511 x 2,7291 = 31,730,083

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


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