Q: What are the prime factors of the number 202,427,200?

 A: 2, 5, 126517

Why are those the prime factors of the number 202,427,200?

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 202,427,200

202,427,200
Factor Arrows
2101,213,600
Factor Arrows
250,606,800
Factor Arrows
225,303,400
Factor Arrows
212,651,700
Factor Arrows
26,325,850
Factor Arrows
23,162,925
Factor Arrows
5632,585
Factor Arrows
5126,517

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, 126517

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 5 x 5 x 126,517 = 202,427,200

This can also be written as 26 x 52 x 126,5171 = 202,427,200

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


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