Q: What are the prime factors of the number 188,335,040?

 A: 2, 5, 23, 25589

Why are those the prime factors of the number 188,335,040?

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 188,335,040

188,335,040
Factor Arrows
294,167,520
Factor Arrows
247,083,760
Factor Arrows
223,541,880
Factor Arrows
211,770,940
Factor Arrows
25,885,470
Factor Arrows
22,942,735
Factor Arrows
5588,547
Factor Arrows
2325,589

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, 5, 23, 25589

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 23 x 25,589 = 188,335,040

This can also be written as 26 x 51 x 231 x 25,5891 = 188,335,040

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


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