Q: What are the prime factors of the number 22,717,600?

 A: 2, 5, 73, 389

Why are those the prime factors of the number 22,717,600?

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 22,717,600

22,717,600
Factor Arrows
211,358,800
Factor Arrows
25,679,400
Factor Arrows
22,839,700
Factor Arrows
21,419,850
Factor Arrows
2709,925
Factor Arrows
5141,985
Factor Arrows
528,397
Factor Arrows
73389

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, 73, 389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 73 x 389 = 22,717,600

This can also be written as 25 x 52 x 731 x 3891 = 22,717,600

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


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