Q: What are the prime factors of the number 204,230,310?

 A: 2, 3, 5, 131, 157, 331

Why are those the prime factors of the number 204,230,310?

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 204,230,310

204,230,310
Factor Arrows
2102,115,155
Factor Arrows
334,038,385
Factor Arrows
56,807,677
Factor Arrows
13151,967
Factor Arrows
157331

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, 131, 157, 331

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 131 x 157 x 331 = 204,230,310

This can also be written as 21 x 31 x 51 x 1311 x 1571 x 3311 = 204,230,310

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


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