Q: What are the prime factors of the number 345,102,204?

 A: 2, 3, 29, 401, 2473

Why are those the prime factors of the number 345,102,204?

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 345,102,204

345,102,204
Factor Arrows
2172,551,102
Factor Arrows
286,275,551
Factor Arrows
328,758,517
Factor Arrows
29991,673
Factor Arrows
4012,473

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, 29, 401, 2473

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 29 x 401 x 2,473 = 345,102,204

This can also be written as 22 x 31 x 291 x 4011 x 2,4731 = 345,102,204

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


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