Q: What are the prime factors of the number 202,133,000?

 A: 2, 5, 131, 1543

Why are those the prime factors of the number 202,133,000?

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 202,133,000

202,133,000
Factor Arrows
2101,066,500
Factor Arrows
250,533,250
Factor Arrows
225,266,625
Factor Arrows
55,053,325
Factor Arrows
51,010,665
Factor Arrows
5202,133
Factor Arrows
1311,543

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, 131, 1543

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 5 x 131 x 1,543 = 202,133,000

This can also be written as 23 x 53 x 1311 x 1,5431 = 202,133,000

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


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