Q: What are the prime factors of the number 10,111,122?

 A: 2, 3, 7, 23, 1163

Why are those the prime factors of the number 10,111,122?

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 10,111,122

10,111,122
Factor Arrows
25,055,561
Factor Arrows
31,685,187
Factor Arrows
3561,729
Factor Arrows
3187,243
Factor Arrows
726,749
Factor Arrows
231,163

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, 23, 1163

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 23 x 1,163 = 10,111,122

This can also be written as 21 x 33 x 71 x 231 x 1,1631 = 10,111,122

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


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