Q: What are the prime factors of the number 24,707,200?

 A: 2, 5, 7, 1103

Why are those the prime factors of the number 24,707,200?

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 24,707,200

24,707,200
Factor Arrows
212,353,600
Factor Arrows
26,176,800
Factor Arrows
23,088,400
Factor Arrows
21,544,200
Factor Arrows
2772,100
Factor Arrows
2386,050
Factor Arrows
2193,025
Factor Arrows
538,605
Factor Arrows
57,721
Factor Arrows
71,103

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, 1103

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 5 x 5 x 7 x 1,103 = 24,707,200

This can also be written as 27 x 52 x 71 x 1,1031 = 24,707,200

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


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