Q: What are the prime factors of the number 202,123,503?

 A: 3, 31, 53, 13669

Why are those the prime factors of the number 202,123,503?

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 202,123,503

202,123,503
Factor Arrows
367,374,501
Factor Arrows
322,458,167
Factor Arrows
31724,457
Factor Arrows
5313,669

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:

3, 31, 53, 13669

We can check our work by multiplying all of the prime factors together: 3 x 3 x 31 x 53 x 13,669 = 202,123,503

This can also be written as 32 x 311 x 531 x 13,6691 = 202,123,503

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


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