Q: What are the prime factors of the number 165,786,104?

 A: 2, 11, 199, 9467

Why are those the prime factors of the number 165,786,104?

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 165,786,104

165,786,104
Factor Arrows
282,893,052
Factor Arrows
241,446,526
Factor Arrows
220,723,263
Factor Arrows
111,883,933
Factor Arrows
1999,467

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, 11, 199, 9467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 199 x 9,467 = 165,786,104

This can also be written as 23 x 111 x 1991 x 9,4671 = 165,786,104

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


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