Q: What are the prime factors of the number 204,331,120?

 A: 2, 5, 7, 113, 3229

Why are those the prime factors of the number 204,331,120?

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 204,331,120

204,331,120
Factor Arrows
2102,165,560
Factor Arrows
251,082,780
Factor Arrows
225,541,390
Factor Arrows
212,770,695
Factor Arrows
52,554,139
Factor Arrows
7364,877
Factor Arrows
1133,229

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, 5, 7, 113, 3229

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 113 x 3,229 = 204,331,120

This can also be written as 24 x 51 x 71 x 1131 x 3,2291 = 204,331,120

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


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