Q: What are the prime factors of the number 203,104,304?

 A: 2, 13, 17, 71, 809

Why are those the prime factors of the number 203,104,304?

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 203,104,304

203,104,304
Factor Arrows
2101,552,152
Factor Arrows
250,776,076
Factor Arrows
225,388,038
Factor Arrows
212,694,019
Factor Arrows
13976,463
Factor Arrows
1757,439
Factor Arrows
71809

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, 13, 17, 71, 809

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 17 x 71 x 809 = 203,104,304

This can also be written as 24 x 131 x 171 x 711 x 8091 = 203,104,304

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


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