Q: What are the prime factors of the number 24,348,672?

 A: 2, 3, 1321

Why are those the prime factors of the number 24,348,672?

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 24,348,672

24,348,672
Factor Arrows
212,174,336
Factor Arrows
26,087,168
Factor Arrows
23,043,584
Factor Arrows
21,521,792
Factor Arrows
2760,896
Factor Arrows
2380,448
Factor Arrows
2190,224
Factor Arrows
295,112
Factor Arrows
247,556
Factor Arrows
223,778
Factor Arrows
211,889
Factor Arrows
33,963
Factor Arrows
31,321

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, 1321

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 2 x 2 x 2 x 2 x 2 x 3 x 3 x 1,321 = 24,348,672

This can also be written as 211 x 32 x 1,3211 = 24,348,672

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


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