Q: What are the prime factors of the number 200,200,320?

 A: 2, 3, 5, 34757

Why are those the prime factors of the number 200,200,320?

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 200,200,320

200,200,320
Factor Arrows
2100,100,160
Factor Arrows
250,050,080
Factor Arrows
225,025,040
Factor Arrows
212,512,520
Factor Arrows
26,256,260
Factor Arrows
23,128,130
Factor Arrows
21,564,065
Factor Arrows
3521,355
Factor Arrows
3173,785
Factor Arrows
534,757

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, 34757

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 3 x 3 x 5 x 34,757 = 200,200,320

This can also be written as 27 x 32 x 51 x 34,7571 = 200,200,320

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


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