Q: What are the prime factors of the number 204,302,340?

 A: 2, 3, 5, 11, 103183

Why are those the prime factors of the number 204,302,340?

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 204,302,340

204,302,340
Factor Arrows
2102,151,170
Factor Arrows
251,075,585
Factor Arrows
317,025,195
Factor Arrows
35,675,065
Factor Arrows
51,135,013
Factor Arrows
11103,183

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:

2, 3, 5, 11, 103183

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 11 x 103,183 = 204,302,340

This can also be written as 22 x 32 x 51 x 111 x 103,1831 = 204,302,340

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


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