Q: What are the prime factors of the number 202,021,506?

 A: 2, 3, 17, 359, 613

Why are those the prime factors of the number 202,021,506?

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 202,021,506

202,021,506
Factor Arrows
2101,010,753
Factor Arrows
333,670,251
Factor Arrows
311,223,417
Factor Arrows
33,741,139
Factor Arrows
17220,067
Factor Arrows
359613

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, 17, 359, 613

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 17 x 359 x 613 = 202,021,506

This can also be written as 21 x 33 x 171 x 3591 x 6131 = 202,021,506

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


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