Q: What are the prime factors of the number 10,664,080?

 A: 2, 5, 7, 137, 139

Why are those the prime factors of the number 10,664,080?

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 10,664,080

10,664,080
Factor Arrows
25,332,040
Factor Arrows
22,666,020
Factor Arrows
21,333,010
Factor Arrows
2666,505
Factor Arrows
5133,301
Factor Arrows
719,043
Factor Arrows
137139

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, 7, 137, 139

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 137 x 139 = 10,664,080

This can also be written as 24 x 51 x 71 x 1371 x 1391 = 10,664,080

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


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