Q: What are the prime factors of the number 160,716,919?

 A: 11, 120749

Why are those the prime factors of the number 160,716,919?

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 160,716,919

160,716,919
Factor Arrows
1114,610,629
Factor Arrows
111,328,239
Factor Arrows
11120,749

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, 120749

We can check our work by multiplying all of the prime factors together: 11 x 11 x 11 x 120,749 = 160,716,919

This can also be written as 113 x 120,7491 = 160,716,919

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


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