Q: What are the prime factors of the number 11,760,749?

 A: 7, 11, 13, 31, 379

Why are those the prime factors of the number 11,760,749?

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 11,760,749

11,760,749
Factor Arrows
71,680,107
Factor Arrows
11152,737
Factor Arrows
1311,749
Factor Arrows
31379

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, 13, 31, 379

We can check our work by multiplying all of the prime factors together: 7 x 11 x 13 x 31 x 379 = 11,760,749

This can also be written as 71 x 111 x 131 x 311 x 3791 = 11,760,749

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


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