Q: What are the prime factors of the number 345,555,309?

 A: 3, 11, 951943

Why are those the prime factors of the number 345,555,309?

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 345,555,309

345,555,309
Factor Arrows
3115,185,103
Factor Arrows
1110,471,373
Factor Arrows
11951,943

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, 11, 951943

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 951,943 = 345,555,309

This can also be written as 31 x 112 x 951,9431 = 345,555,309

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


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