Q: What are the prime factors of the number 203,333,120?

 A: 2, 5, 79427

Why are those the prime factors of the number 203,333,120?

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 203,333,120

203,333,120
Factor Arrows
2101,666,560
Factor Arrows
250,833,280
Factor Arrows
225,416,640
Factor Arrows
212,708,320
Factor Arrows
26,354,160
Factor Arrows
23,177,080
Factor Arrows
21,588,540
Factor Arrows
2794,270
Factor Arrows
2397,135
Factor Arrows
579,427

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, 79427

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 2 x 2 x 5 x 79,427 = 203,333,120

This can also be written as 29 x 51 x 79,4271 = 203,333,120

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


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