Q: What are the prime factors of the number 30,347,768?

 A: 2, 11, 107, 293

Why are those the prime factors of the number 30,347,768?

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 30,347,768

30,347,768
Factor Arrows
215,173,884
Factor Arrows
27,586,942
Factor Arrows
23,793,471
Factor Arrows
11344,861
Factor Arrows
1131,351
Factor Arrows
107293

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, 107, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 11 x 107 x 293 = 30,347,768

This can also be written as 23 x 112 x 1071 x 2931 = 30,347,768

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


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