Q: What are the prime factors of the number 204,562,309?

 A: 7, 17, 43, 5711

Why are those the prime factors of the number 204,562,309?

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 204,562,309

204,562,309
Factor Arrows
729,223,187
Factor Arrows
74,174,741
Factor Arrows
17245,573
Factor Arrows
435,711

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, 17, 43, 5711

We can check our work by multiplying all of the prime factors together: 7 x 7 x 17 x 43 x 5,711 = 204,562,309

This can also be written as 72 x 171 x 431 x 5,7111 = 204,562,309

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


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