Q: What are the prime factors of the number 204,330,315?

 A: 3, 5, 7, 251, 7753

Why are those the prime factors of the number 204,330,315?

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 204,330,315

204,330,315
Factor Arrows
368,110,105
Factor Arrows
513,622,021
Factor Arrows
71,946,003
Factor Arrows
2517,753

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:

3, 5, 7, 251, 7753

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 251 x 7,753 = 204,330,315

This can also be written as 31 x 51 x 71 x 2511 x 7,7531 = 204,330,315

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


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