Q: What are the prime factors of the number 11,187,187?

 A: 11, 31, 53, 619

Why are those the prime factors of the number 11,187,187?

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 11,187,187

11,187,187
Factor Arrows
111,017,017
Factor Arrows
3132,807
Factor Arrows
53619

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:

11, 31, 53, 619

We can check our work by multiplying all of the prime factors together: 11 x 31 x 53 x 619 = 11,187,187

This can also be written as 111 x 311 x 531 x 6191 = 11,187,187

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


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