Q: What are the prime factors of the number 24,647,520?

 A: 2, 3, 5, 51349

Why are those the prime factors of the number 24,647,520?

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 24,647,520

24,647,520
Factor Arrows
212,323,760
Factor Arrows
26,161,880
Factor Arrows
23,080,940
Factor Arrows
21,540,470
Factor Arrows
2770,235
Factor Arrows
3256,745
Factor Arrows
551,349

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, 51349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 51,349 = 24,647,520

This can also be written as 25 x 31 x 51 x 51,3491 = 24,647,520

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


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