Q: What are the prime factors of the number 202,021,504?

 A: 2, 1578293

Why are those the prime factors of the number 202,021,504?

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 202,021,504

202,021,504
Factor Arrows
2101,010,752
Factor Arrows
250,505,376
Factor Arrows
225,252,688
Factor Arrows
212,626,344
Factor Arrows
26,313,172
Factor Arrows
23,156,586
Factor Arrows
21,578,293

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, 1578293

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 1,578,293 = 202,021,504

This can also be written as 27 x 1,578,2931 = 202,021,504

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


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