Q: What are the prime factors of the number 345,804,550?

 A: 2, 5, 7, 13, 76001

Why are those the prime factors of the number 345,804,550?

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 345,804,550

345,804,550
Factor Arrows
2172,902,275
Factor Arrows
534,580,455
Factor Arrows
56,916,091
Factor Arrows
7988,013
Factor Arrows
1376,001

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, 5, 7, 13, 76001

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 13 x 76,001 = 345,804,550

This can also be written as 21 x 52 x 71 x 131 x 76,0011 = 345,804,550

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


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