Q: What are the prime factors of the number 206,301,809?

 A: 7, 181, 3323

Why are those the prime factors of the number 206,301,809?

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 206,301,809

206,301,809
Factor Arrows
729,471,687
Factor Arrows
74,210,241
Factor Arrows
7601,463
Factor Arrows
1813,323

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:

7, 181, 3323

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 181 x 3,323 = 206,301,809

This can also be written as 73 x 1811 x 3,3231 = 206,301,809

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


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