Q: What are the prime factors of the number 332,040,128?

 A: 2, 7, 163, 4547

Why are those the prime factors of the number 332,040,128?

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 332,040,128

332,040,128
Factor Arrows
2166,020,064
Factor Arrows
283,010,032
Factor Arrows
241,505,016
Factor Arrows
220,752,508
Factor Arrows
210,376,254
Factor Arrows
25,188,127
Factor Arrows
7741,161
Factor Arrows
1634,547

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, 7, 163, 4547

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 7 x 163 x 4,547 = 332,040,128

This can also be written as 26 x 71 x 1631 x 4,5471 = 332,040,128

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


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