Q: What are the prime factors of the number 201,511,215?

 A: 3, 5, 233, 19219

Why are those the prime factors of the number 201,511,215?

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 201,511,215

201,511,215
Factor Arrows
367,170,405
Factor Arrows
322,390,135
Factor Arrows
54,478,027
Factor Arrows
23319,219

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, 5, 233, 19219

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 233 x 19,219 = 201,511,215

This can also be written as 32 x 51 x 2331 x 19,2191 = 201,511,215

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


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