Q: What are the prime factors of the number 204,502,350?

 A: 2, 3, 5, 13, 17, 31, 199

Why are those the prime factors of the number 204,502,350?

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 204,502,350

204,502,350
Factor Arrows
2102,251,175
Factor Arrows
334,083,725
Factor Arrows
56,816,745
Factor Arrows
51,363,349
Factor Arrows
13104,873
Factor Arrows
176,169
Factor Arrows
31199

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, 13, 17, 31, 199

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 13 x 17 x 31 x 199 = 204,502,350

This can also be written as 21 x 31 x 52 x 131 x 171 x 311 x 1991 = 204,502,350

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


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