Q: What are the prime factors of the number 11,111,768?

 A: 2, 53, 73, 359

Why are those the prime factors of the number 11,111,768?

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 11,111,768

11,111,768
Factor Arrows
25,555,884
Factor Arrows
22,777,942
Factor Arrows
21,388,971
Factor Arrows
5326,207
Factor Arrows
73359

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, 53, 73, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 53 x 73 x 359 = 11,111,768

This can also be written as 23 x 531 x 731 x 3591 = 11,111,768

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


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