Q: What are the prime factors of the number 11,372,031?

 A: 3, 11, 17, 29, 233

Why are those the prime factors of the number 11,372,031?

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 11,372,031

11,372,031
Factor Arrows
33,790,677
Factor Arrows
31,263,559
Factor Arrows
11114,869
Factor Arrows
176,757
Factor Arrows
29233

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, 11, 17, 29, 233

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 17 x 29 x 233 = 11,372,031

This can also be written as 32 x 111 x 171 x 291 x 2331 = 11,372,031

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


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