Q: What are the prime factors of the number 788,666,016?

 A: 2, 3, 47, 3719

Why are those the prime factors of the number 788,666,016?

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 788,666,016

788,666,016
Factor Arrows
2394,333,008
Factor Arrows
2197,166,504
Factor Arrows
298,583,252
Factor Arrows
249,291,626
Factor Arrows
224,645,813
Factor Arrows
38,215,271
Factor Arrows
47174,793
Factor Arrows
473,719

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, 3, 47, 3719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 47 x 47 x 3,719 = 788,666,016

This can also be written as 25 x 31 x 472 x 3,7191 = 788,666,016

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


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