Q: What are the prime factors of the number 666,014,624?

 A: 2, 11, 73, 25919

Why are those the prime factors of the number 666,014,624?

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 666,014,624

666,014,624
Factor Arrows
2333,007,312
Factor Arrows
2166,503,656
Factor Arrows
283,251,828
Factor Arrows
241,625,914
Factor Arrows
220,812,957
Factor Arrows
111,892,087
Factor Arrows
7325,919

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, 73, 25919

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 73 x 25,919 = 666,014,624

This can also be written as 25 x 111 x 731 x 25,9191 = 666,014,624

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


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