Q: What are the prime factors of the number 24,008,640?

 A: 2, 3, 5, 89, 281

Why are those the prime factors of the number 24,008,640?

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 24,008,640

24,008,640
Factor Arrows
212,004,320
Factor Arrows
26,002,160
Factor Arrows
23,001,080
Factor Arrows
21,500,540
Factor Arrows
2750,270
Factor Arrows
2375,135
Factor Arrows
3125,045
Factor Arrows
525,009
Factor Arrows
89281

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, 5, 89, 281

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 3 x 5 x 89 x 281 = 24,008,640

This can also be written as 26 x 31 x 51 x 891 x 2811 = 24,008,640

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


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