Q: What are the prime factors of the number 202,201,002?

 A: 2, 3, 19, 197077

Why are those the prime factors of the number 202,201,002?

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 202,201,002

202,201,002
Factor Arrows
2101,100,501
Factor Arrows
333,700,167
Factor Arrows
311,233,389
Factor Arrows
33,744,463
Factor Arrows
19197,077

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, 19, 197077

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 19 x 197,077 = 202,201,002

This can also be written as 21 x 33 x 191 x 197,0771 = 202,201,002

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


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