Q: What are the prime factors of the number 205,352,367?

 A: 3, 11, 17, 107, 311

Why are those the prime factors of the number 205,352,367?

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 205,352,367

205,352,367
Factor Arrows
368,450,789
Factor Arrows
116,222,799
Factor Arrows
11565,709
Factor Arrows
1733,277
Factor Arrows
107311

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, 11, 17, 107, 311

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 17 x 107 x 311 = 205,352,367

This can also be written as 31 x 112 x 171 x 1071 x 3111 = 205,352,367

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


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