Q: What are the prime factors of the number 211,299,999?

 A: 3, 31, 227, 10009

Why are those the prime factors of the number 211,299,999?

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 211,299,999

211,299,999
Factor Arrows
370,433,333
Factor Arrows
312,272,043
Factor Arrows
22710,009

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, 227, 10009

We can check our work by multiplying all of the prime factors together: 3 x 31 x 227 x 10,009 = 211,299,999

This can also be written as 31 x 311 x 2271 x 10,0091 = 211,299,999

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


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