Q: What are the prime factors of the number 305,801,298?

 A: 2, 3, 11, 31, 16607

Why are those the prime factors of the number 305,801,298?

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 305,801,298

305,801,298
Factor Arrows
2152,900,649
Factor Arrows
350,966,883
Factor Arrows
316,988,961
Factor Arrows
35,662,987
Factor Arrows
11514,817
Factor Arrows
3116,607

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, 11, 31, 16607

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 31 x 16,607 = 305,801,298

This can also be written as 21 x 33 x 111 x 311 x 16,6071 = 305,801,298

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


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