Q: What are the prime factors of the number 202,113,309?

 A: 3, 227, 449, 661

Why are those the prime factors of the number 202,113,309?

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 202,113,309

202,113,309
Factor Arrows
367,371,103
Factor Arrows
227296,789
Factor Arrows
449661

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, 227, 449, 661

We can check our work by multiplying all of the prime factors together: 3 x 227 x 449 x 661 = 202,113,309

This can also be written as 31 x 2271 x 4491 x 6611 = 202,113,309

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


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