Q: What are the prime factors of the number 202,310,144?

 A: 2, 395137

Why are those the prime factors of the number 202,310,144?

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 202,310,144

202,310,144
Factor Arrows
2101,155,072
Factor Arrows
250,577,536
Factor Arrows
225,288,768
Factor Arrows
212,644,384
Factor Arrows
26,322,192
Factor Arrows
23,161,096
Factor Arrows
21,580,548
Factor Arrows
2790,274
Factor Arrows
2395,137

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, 395137

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 395,137 = 202,310,144

This can also be written as 29 x 395,1371 = 202,310,144

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


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