Q: What are the prime factors of the number 202,546,449?

 A: 3, 7, 17, 27017

Why are those the prime factors of the number 202,546,449?

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 202,546,449

202,546,449
Factor Arrows
367,515,483
Factor Arrows
322,505,161
Factor Arrows
73,215,023
Factor Arrows
7459,289
Factor Arrows
1727,017

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, 7, 17, 27017

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 7 x 17 x 27,017 = 202,546,449

This can also be written as 32 x 72 x 171 x 27,0171 = 202,546,449

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


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